Part of speech: noun1 a small lump that grows on a plant and from which a flower, leaf or stem develops:
the first buds appearing in spring * The magnolia tree is in bud already.
2 a flower or leaf that is not fully open
3 (AmE, informal) = BUDDY:
Listen, bud, enough of the wisecracks, OK?
seealsoCOTTONBUD, ROSEBUD, TASTEBUD
IDIOMS see NIPv.
verb [V] to produce buds