pea jacket definition by Webster's New World
Origin: altered by folk etymology (infl. by pea) ; from Dutch pijjekker ; from pij, coarse, thick cloth plush jekker, jacket ; from jak ; from Old French jaque: see jacket
pea jacket definition by American Heritage Dictionary
Origin: Probably partial translation of Dutch pijjekker : pij, a kind of coarse cloth (from Middle Dutch pīe) + jekker, jacket.