Real Dictionary

plump
adjective: You can describe someone or something as plump to indicate that they are rather fat or rounded.

plump in American English 1
full and rounded in form; chubby
to make plump; fill out
adjective: well filled out or rounded in form; somewhat fleshy or fat
intransitive verb: to become plump
transitive verb: to make plump

plump in American English 2
a falling, plunging, or colliding suddenly or heavily
blunt; direct
to drop, throw, or put down heavily or all at once
to fall suddenly or with full impact
with a plump; suddenly; heavily
intransitive verb: to drop or fall heavily or suddenly; come down abruptly or with direct impact
transitive verb: to drop or throw heavily or suddenly

plump in American English 3
a compact group; cluster
noun: a group or cluster

plump in British English 1
adjective: well filled out or rounded; fleshy or chubby
verb: to make or become plump

plump in British English 2
in a blunt, direct, or decisive manner
adverb: suddenly or heavily
noun: a heavy abrupt fall or the sound of this
verb: to drop or fall suddenly and heavily

plump in British English 3
noun: a group of people, animals, or things; troop; cluster