roach

nouns

a roll of hair brushed back from the forehead
is a type of (narrower)
the arrangement of the hair (especially a woman's hair)
the butt of a marijuana cigarette
is a type of (narrower)
the small unused part of something (especially the end of a cigarette that is left after smoking)
any of numerous chiefly nocturnal insects; some are domestic pests
European freshwater food fish having a greenish back

verbs

comb (hair) into a roach
is a type of (narrower)
straighten with a comb
"comb your hair"
cut the mane off (a horse)
is a type of (narrower)
remove by or as if by cutting
"cut off the ear"; "lop off the dead branch"