noun

• A plant, Pisum sativum, member of the legume (Fabaceae) family.
• Any plant of the family Fabaceae.
• (cooking) The edible seed of Pisum sativum; the green pea.
• (cooking) The edible seed of various other pea plants.
• (Jamaica) Any of several varieties of bean.
• (MLE, in the plural) Money.
• (baseball) A ball travelling at high velocity.
• (US, Indiana, gambling) Any of the small numbered balls used in a pea shake game.
• (rare, archaic) a peafowl
• A surname.
• (astronomy) Ellipsis of green pea galaxy. [(astronomy) A type of galaxy, found in the local universe, that are active, undergoing high rates of star formation, which provides a green tinge, and are compact, visually appearing akin to peas. These active galaxies have strong oxygen emission lines and no active galactic nucleus (“AGN”), similar to small galaxies in the distant early universe, but unlike those in the nearby contemporary universe.]
• (nautical) Alternative form of peak [A point; the sharp end or top of anything that terminates in a point; as, the peak, or front, of a cap.]
• (biochemistry) Initialism of palmitoylethanolamide. [(biochemistry) An endogenous fatty acid amide, belonging to the class of nuclear factor agonists, with anti-inflammatory, antinociceptive, neuroprotective and anticonvulsant properties.]
• (pathology) Initialism of pulseless electrical activity. [(pathology) A medical condition in which the heart's electrical activity is present on an electrocardiogram but doesn't result in a pulse.]
• (ecology) Initialism of preliminary ecological appraisal.
• (linguistics) Initialism of Proto-Eastern Algonquian, the proto-language of the Eastern Algonquian languages.