1 a a hardy climbing plant, Pisum sativum, with seeds growing in pods and used for food. b its seed.
2 any of several similar plants (sweet pea; chick-pea).
Phrases and idioms:
pea-brain colloq. a stupid or dim-witted person. pea-green bright green. pea-souper Brit. colloq. a thick yellowish fog.
Etymology: back-form. f. PEASE (taken as pl.: cf. CHERRY)
Useful english dictionary. 2012.