roach

1 of 4

noun (1)

plural roach also roaches
Synonyms of roachnext
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
The front counter salad reach-in cooler had an accumulation of live roaches — a dozen — crawling inside the gaskets. David J. Neal, Miami Herald, 22 Jan. 2026 Kitchen trash, vegetables, roach-spray cans, air fresheners, bathroom cleaners, a Russian Navy sailor’s cap, disposable gloves, water jugs, food packaging, juice bottles, men’s body-wash bottles—all had sloshed around in the strait and washed up on Alaskan shores. Ian Frazier, New Yorker, 19 Jan. 2026 One Plano restaurant was closed and roaches and rodent droppings were found at others during recent health inspections, according to data from the city compiled by the Star-Telegram. Shambhavi Rimal, Fort Worth Star-Telegram, 19 Jan. 2026 Porcupine guard hairs are used in another astonishing Native cultural expression: hair roach head dresses. Chadd Scott, Forbes.com, 8 Jan. 2026 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 31 Jan. 2026.

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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