ser·pen·tine
                    
                                                                                                              
                                                                                                                                  ˈsər-pən-ˌtēn  
                                                                                                                              
            -ˌtīn
                                                      
                                                          1
                    
                                          
              
          
                                                      : of or resembling a serpent (as in form or movement)                                      
                
                    
2
                    
                                          
              
          
                                                      : subtly wily or tempting                                      
                
                    
3
                    
        a
    
          
                                          
              
          
                                                      : winding or turning one way and another                                      
              
                             
a serpentine road
                         
                
                    
        b
    
          
                                          
              
          
                                                      : having a compound curve whose central curve is convex                                      
                
                    
                                                      serpentinely
                                      adverb
                                                                            
    
                                
              
          
                                                      : something that winds sinuously                                      
                
                    
                                                                                                                            
                                                            ser·pen·tine
                    
                                                                                                              
                                                                                                                                  ˈsər-pən-ˌtēn  
                                                      
                                                          
            
                                
              
          
                                                      : a mineral or rock consisting essentially of a hydrous magnesium silicate usually having a dull green color and often a mottled appearance                                      
                
                    
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  Merriam-Webster unabridged




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