Definitions of roach
  1. noun
    European freshwater food fish having a greenish back
    synonyms: Rutilus rutilus
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    type of:
    cyprinid, cyprinid fish
    soft-finned mainly freshwater fishes typically having toothless jaws and cycloid scales
  2. noun
    any of numerous chiefly nocturnal insects; some are domestic pests
    synonyms: cockroach
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    show 5 types...
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    Asiatic cockroach, Blatta orientalis, blackbeetle, 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, German cockroach, crotonbug, water bug
    small light-brown cockroach brought to United States from Europe; a common household pest
    giant cockroach
    large tropical American cockroaches
    type of:
    dictyopterous insect
    cockroaches and mantids
  3. noun
    a roll of hair brushed back from the forehead
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    type of:
    coif, coiffure, hair style, hairdo, hairstyle
    the arrangement of the hair (especially a woman's hair)
  4. verb
    comb (hair) into a roach
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    type of:
    straighten with a comb
  5. verb
    cut the mane off (a horse)
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    type of:
    chop off, cut off, lop off
    remove by or as if by cutting
  6. noun
    street names for flunitrazepan
    synonyms: Mexican valium, R-2, circle, forget me drug, roofy, rope, rophy
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    type of:
    Rohypnol, flunitrazepan
    a depressant and tranquilizer (trade name Rohypnol) often used in the commission of sexual assault; legally available in Europe and Mexico and Colombia
  7. noun
    the butt of a marijuana cigarette
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    type of:
    butt, stub
    the small unused part of something (especially the end of a cigarette that is left after smoking)
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