Lōach, n.

noun

n. [Fr. loche, Sp. loja.] (lŏth.) A small fish, allied to the minnow, of the genus Cobitis (C. barbatula), inhabiting small, clear streams, and esteemed dainty food. [Written also loche.] Walton.

An illustration of a loach, shown in profile.
Loach (Cobitis barbatula).