Real Dictionary

bud
countable noun: A bud is a small pointed lump that appears on a tree or plant and develops into a leaf or flower.

Bud in American English
noun: a male given name

bud in American English 1
a small swelling or projection on a plant, from which a shoot, cluster of leaves, or flower develops
to put forth as a bud or buds
to put forth buds
noun: a small axillary or terminal protuberance on a plant, containing rudimentary foliage (leaf bud), the rudimentary inflorescence (flower bud), or both ( mixed bud)

bud in American English 2
buddy (sense 1)
noun: brother; buddy (used in informal address, as to one's brother or to a man or boy whose name is not known to the speaker)

bud in British English 1
noun: a swelling on a plant stem consisting of overlapping immature leaves or petals

bud in British English 2
noun