Roach
Roach , noun
(Zoology) A cockroach.
Roach , noun
[Old English rroche; compare Anglo-Saxon reohha, Dutch rog, roch, German roche, LG. ruche, Danish rokke ray, Swedish rocka, and English ray a fish.]
1.
(a) (Zoology) A European fresh-water fish of the Carp family (Leuciscus rutilus). It is silver-white, with a greenish back.
(b)
(Zoology) An American chub (Semotilus bullaris); the fallfish.
(c)
(Zoology) The redfin, or shiner.
2.
(Nautical) A convex curve or arch cut in the edge of a sail to prevent chafing, or to secure a better fit.
Collocations (1)
As sound as a roach , perfectly sound.
Roach , transitive verb
1.
To cause to arch.
2.
To cut off, as a horse's mane, so that the part left shall stand upright.