[pea jacket] n [by folk etymology fr. D pijjekker, fr. pij, a kind of cloth + jekker jacket] (1721): a heavy woolen double-breasted jacket orig. worn by sailors--called also peacoat
PEA JACKET
Meaning of PEA JACKET in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012