peamouth

[ pee-mouth ]
/ ˈpiˌmaʊθ /

noun, plural pea·mouths [pee-mouths, -mouth z] /ˈpiˌmaʊθs, -ˌmaʊðz/.

a minnow, Mylocheilus caurinus, of northwestern U.S. and British Columbian waters.

Origin of peamouth