Definition of plosher in English:

plosher

noun

English Regional, Cornwall
  • A kind of marine fish, in later use identified with a young sea bream.

Origin

Early 17th century; earliest use found in Richard Carew (1555–1620), antiquary and poet. From plosh, variant of plash + -er.

Pronunciation

plosher

/ˈplɒʃə/