What is the meaning of Roach?

Certain members of the fish family Cyprinidae, including:

  1. Any fish of species in the genus Rutilus, especially:
    1. A common roach (Rutilus rutilus)
  2. A California roach, of the monotypic genus Hesperoleucus

Any fish of species in the genus Rutilus, especially:

  1. A common roach (Rutilus rutilus)

A common roach (Rutilus rutilus)

A California roach, of the monotypic genus Hesperoleucus

A cockroach.

The butt of a marijuana cigarette.

An entire marijuana cigarette, blunt, or joint.

The filter of a rolled cigarette or joint, made from card or paper.

Sail material that forms a concave curve rather than straight leech (aft edge) of a sail to increase the sail area over that of a simple triangular sail.

A haircut or a similar-looking kind of headdress worn by some of the indigenous peoples of North America, often red.

To cut or shave off the mane of a horse so that the remaining hair stands up on the neck.

To cut a person's hair so that it stands straight up.

A bed or stratum of some mineral.

Gritty or coarse rock; especially Portland stone or similar limestone.

Source: wiktionary.org