1
                    
                  2
                    
        a
    
          
                                          
              
          
                                                      : belonging to or shared by two or more individuals or things or by all members of a group                                      
              
                             
a common friend
                                       buried in a common grave
                                       common interests
                         
                
                    
        b
    
          
                                          
              
          
                                                      : belonging equally to two or more mathematical entities                                      
              
                             
triangles with a common base
                         
                
                    
        c
    
          
                                          
              
          
                                                      : having two or more branches                                      
              
                             
common carotid artery
                         
                
                    3
                    
        a
    
          
                                          
              
          
                                                      : occurring or appearing frequently : familiar                                      
              
                             
a common sight
                         
                
                    
        b
    
          
                                          
              
          
                                                      : of the best known or most frequently seen kind                                      
                
                  —used especially of plants and animals
the common housefly
    
                
                    
        c
    
          
                                          
              
          
                                                      : vernacular sense 2                                      
              
                             
common names
                         
                
                    4
                    
        a
    
          
                                          
              
          
                                                      : widespread, general                                      
              
                             
common knowledge
                         
                
                    
        b
    
          
                                          
              
          
                                                      : characterized by a lack of privilege or special status                                      
              
                             
common people
                                       a common laborer
                         
                
                    
        c
    
          
                                          
              
          
                                                      : just satisfying accustomed criteria : elementary                                      
              
                             
common decency
                         
                
                    5
                    
        a
    
          
                                          
              
          
                                                      : falling below ordinary standards : second-rate                                      
              
                             
Oh hard is the bed they have made him, / And common the blanket and cheap …— A. E. Housman
A. E. Housman
                         
                
                    
        b
    
          
                                          
              
          
                                                      : lacking refinement : coarse                                      
              
                             
said, in his common vulgar way, the city would have to lump it— J. K. Jerome
J. K. Jerome
                         
                
                    6
                    
                                          
              
          
                                                      : denoting nominal relations by a single linguistic form that in a more highly inflected language might be denoted by two or more different forms                                      
              
                             
common gender
                                       common case
                         
                
                    7
                    
                                          
              
          
                                                      : of, relating to, or being common stock                                      
                
                    
                                                      commonly
                                      adverb
                                                                            
    1
                    
                                commons  plural                                  
              
          
                                                      : the common people                                      
                
                    
2
                    
                                commons  plural in form but singular in construction                                  
              
          
                                                      : a dining hall                                      
              
                             
Students usually have their meals at the commons.
                         
                
                    3
                    
              
              
                commons or Commons  plural in form but singular or plural in construction      
          
      
        a
    
          
                                          
              
          
                                                      : the political group or estate comprising the commoners                                      
                
                    
        b
    
          
                                          
              
          
                                                      : the parliamentary representatives of the commoners                                      
                
                    
        c
    
          4
                    
                                          
              
          
                                                      : the legal right of taking a profit in another's land in common with the owner or others                                      
                
                    
5
                    
                                          
              
          
                                                      : a piece of land subject to common use: such as                                      
                
                    
        a
    
          
                                          
              
          
                                                      : undivided land used especially for pasture                                      
                
                    
        b
    
          
                                          
              
          
                                                      : a public open area in a municipality                                      
              
                             
A food and jazz festival will be held at the town common.
                         
                
                    6
                    
        a
    
          
                                          
              
          
                                                      : a religious service suitable for any of various festivals                                      
                
                    
        b
    
          7
                    
                  Love words? Need even more definitions?
  
  Merriam-Webster unabridged




Share