pea

pea /piː/ BrE AmE noun [countable]
[Date: 1600-1700; Origin: pease 'pea' (11-19 centuries) (mistaken as plural), from Latin pisa, plural of pisum, from Greek pison]
1. a round green seed that is cooked and eaten as a vegetable, or the plant on which these seeds grow:
roast chicken with peas and carrots
2. like two peas in a pod informal exactly the same in appearance, behaviour etc

Oxford Advanced Learner's Dictionary

pea

pea [pea peas] [piː] [piː] noun

a small round green seed, eaten as a vegetable. Several peas grow together inside a long thin pod on a climbing plant also called a pea

• frozen peas

• pea soup

see also chickpea, mushy peas, split pea, sweet pea

Word Origin:

mid 17th cent.: back-formation from pease (interpreted as plural).

Cambridge Advanced Learner's Dictionary

Cambridge Advanced Learner's Dictionary - 4th Edition

pea / piː / noun [ C ]

B1 a round, green seed, several of which grow in a pod, eaten as a vegetable:

frozen/dried peas

Collins COBUILD Advanced Learner’s English Dictionary

pea

/pi:/
(peas)

Peas are round green seeds which grow in long thin cases and are eaten as a vegetable.

N-COUNT: usu pl

Merriam-Webster's Advanced Learner's Dictionary

Merriam-Webster's Advanced Learner's Dictionary:

pea

pea /ˈpiː/ noun, pl peas [count] : a small, round, green seed that is eaten as a vegetable and that is formed in a seed case (called a pod) of a climbing plant also; : a plant that produces peas
• We're growing tomatoes and peas in our garden this year.
- see color picture
- see also black-eyed pea, chickpea, snap pea, snow pea, sugar snap pea, sweet pea
two peas in a pod
- used to say that two people or things are very similar to each other
• My brother and I are two peas in a pod. We both like the same things.