Min"now, n. [OE. menow, cf. AS.
myne; also OE. menuse, OF. menuise small fish;
akin to E. minish, minute.] [Written also
minow.]
1. (Zoöl.) A small European
fresh-water cyprinoid fish (Phoxinus lævis, formerly
Leuciscus phoxinus); sometimes applied also to the young of
larger kinds; -- called also minim and minny. The name
is also applied to several allied American species, of the genera
Phoxinus, Notropis, or Minnilus, and
Rhinichthys.
2. (Zoöl.) Any of numerous small
American cyprinodont fishes of the genus Fundulus, and related
genera. They live both in fresh and in salt water. Called also
killifish, minny, and mummichog.