ROACH

Pronunciation (US):

(GB):

IPA (US):

 Dictionary entry overview: What does roach mean? 

• ROACH (noun)
  The noun ROACH has 5 senses:

1. a roll of hair brushed back from the forehead

2. the butt of a marijuana cigarette

3. street names for flunitrazepan

4. any of numerous chiefly nocturnal insects; some are domestic pests

5. European freshwater food fish having a greenish back

  Familiarity information: ROACH used as a noun is common.

• ROACH (verb)
  The verb ROACH has 2 senses:

1. comb (hair) into a roach

2. cut the mane off (a horse)

  Familiarity information: ROACH used as a verb is rare.

 Dictionary entry details 

• ROACH (noun)

Sense 1

Meaning:

A roll of hair brushed back from the forehead

Classified under:

Nouns denoting body parts

Hypernyms ("roach" is a kind of...):

coif; coiffure; hair style; hairdo; hairstyle (the arrangement of the hair (especially a woman's hair))

Derivation:

roach (comb (hair) into a roach)

Sense 2

Meaning:

The butt of a marijuana cigarette

Classified under:

Nouns denoting man-made objects

Hypernyms ("roach" is a kind of...):

butt; stub (the small unused part of something (especially the end of a cigarette that is left after smoking))

Sense 3

Meaning:

Street names for flunitrazepan

Classified under:

Nouns denoting man-made objects

Synonyms:

circle; forget me drug; Mexican valium; R-2; roach; roofy; rope; rophy

Hypernyms ("roach" is a kind of...):

flunitrazepan; Rohypnol (a depressant and tranquilizer (trade name Rohypnol) often used in the commission of sexual assault; legally available in Europe and Mexico and Colombia)

Sense 4

Meaning:

Any of numerous chiefly nocturnal insects; some are domestic pests

Classified under:

Nouns denoting animals

Synonyms:

cockroach; roach

Hypernyms ("roach" is a kind of...):

dictyopterous insect (cockroaches and mantids)

Hyponyms (each of the following is a kind of "roach"):

Asiatic cockroach; blackbeetle; Blatta orientalis; oriental cockroach; oriental roach (dark brown cockroach originally from orient now nearly cosmopolitan in distribution)

American cockroach; Periplaneta americana (large reddish brown free-flying cockroach originally from southern United States but now widely distributed)

Australian cockroach; Periplaneta australasiae (widely distributed in warm countries)

Blattella germanica; Croton bug; crotonbug; German cockroach; water bug (small light-brown cockroach brought to United States from Europe; a common household pest)

giant cockroach (large tropical American cockroaches)

Holonyms ("roach" is a member of...):

Blattaria; Blattodea; suborder Blattaria; suborder Blattodea (cockroaches; in some classifications considered an order)

Sense 5

Meaning:

European freshwater food fish having a greenish back

Classified under:

Nouns denoting animals

Synonyms:

roach; Rutilus rutilus

Hypernyms ("roach" is a kind of...):

cyprinid; cyprinid fish (soft-finned mainly freshwater fishes typically having toothless jaws and cycloid scales)

Holonyms ("roach" is a member of...):

genus Rutilus; Rutilus (roaches)

• ROACH (verb)

Sense 1

Meaning:

Comb (hair) into a roach

Classified under:

Verbs of touching, hitting, tying, digging

Hypernyms (to "roach" is one way to...):

comb (straighten with a comb)

Sentence frame:

Somebody ----s something

Derivation:

roach (a roll of hair brushed back from the forehead)

Sense 2

Meaning:

Cut the mane off (a horse)

Classified under:

Verbs of touching, hitting, tying, digging

Hypernyms (to "roach" is one way to...):

chop off; cut off; lop off (remove by or as if by cutting)

Sentence frame:

Somebody ----s something

 Context examples 

F. varium has been isolated from human feces and sites of infection as well as the intestinal tract of rodents, roaches, and terminates.

(Fusobacterium varium, NCI Thesaurus)