roach

1 of 4

noun (1)

plural roach also roaches
1
: a silver-green European freshwater cyprinid fish (Rutilus rutilus)
also : any of various related fishes (such as some shiners)
2
: any of several American freshwater sunfishes (family Centrarchidae)

roach

2 of 4

noun (2)

1
: a curved cut in the edge of a sail to prevent chafing or to secure a better fit
2
: a roll of hair brushed straight back from the forehead or side of the head

roach

3 of 4

verb

roached; roaching; roaches

transitive verb

1
: to cut so that the remainder stands upright
roach a horse's mane
2
: to cause to arch
specifically : to brush (the hair) in a roach
often used with up

roach

4 of 4

noun (3)

1
2
: the butt of a marijuana cigarette

Examples of roach in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Noun
Dishwashers that don’t sanitize, food not kept safe from bacteria, and the usual vermin — roaches, rodents, flies — caused Miami to Palm Beach restaurants to fail inspection. David J. Neal, Miami Herald, 27 Oct. 2025 To prevent roaches, keep stove tops, counters and floors clean of grease and food; repair any plumbing leaks; seal cracks and holes near doors, windows and other areas of the home; and always keep an eye out for signs of cockroaches, which can include eggs, droppings and shed skins. Maria Azzurra Volpe, MSNBC Newsweek, 25 Oct. 2025 Health inspectors shut down the Filipino grocery store after discovering about 30 live German cockroaches and more than 20 dead roaches under the three-compartment sink, at the trash bin area of the kitchen entrance and other areas. Camila Pedrosa, Sacbee.com, 17 Oct. 2025 Infestation of roaches present throughout kitchen on food and non-food contact surfaces. Gege Reed, Louisville Courier Journal, 3 Oct. 2025 See All Example Sentences for roach

Word History

Etymology

Noun (1)

Middle English roche, from Anglo-French roche, rosse

Noun (2)

origin unknown

Noun (3)

by shortening

First Known Use

Noun (1)

13th century, in the meaning defined at sense 1

Noun (2)

1794, in the meaning defined at sense 1

Verb

1803, in the meaning defined at sense 1

Noun (3)

1822, in the meaning defined at sense 1

Time Traveler
The first known use of roach was in the 13th century

Browse Nearby Words

Cite this Entry

“Roach.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/roach. Accessed 29 Oct. 2025.

Kids Definition

roach

1 of 2 noun
plural roach also roaches
: any of various fishes including some sunfishes and shiners

roach

2 of 2 noun

Medical Definition

roach

noun

More from Merriam-Webster on roach

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