WordReference Random House Learner's Dictionary of American English © 2026
clump /klʌmp/USA pronunciation
n. [countable]
v.
WordReference Random House Unabridged Dictionary of American English © 2026- a small group or cluster, esp. of trees or plants.
- a lump or mass:a clump of muddy fur.
- a heavy, thumping sound, etc.:the clump of feet on the stairs.
v.
- [no object] Also, clomp. to walk heavily and clumsily:His heavy boots clumped on the stairs.
- Immunologyto (cause to) be gathered into clumps;
to (cause to) form into a clump: [no object;
(~ + together)]The settlers clumped (together) into little villages.[~ + object (+ together)]The towns were clumped (together) in little pockets.
clump
(klump),USA pronunciation n.
v.i.
v.t.
clump′y, clump′ish, clump′like′, adj.
- a small, close group or cluster, esp. of trees or other plants.
- a lump or mass
- a heavy, thumping step, sound, etc.
- Immunologya cluster of agglutinated bacteria, red blood cells, etc.
- a thick extra sole on a shoe.
v.i.
- Also, clomp. to walk heavily and clumsily.
- Immunologyto gather or be gathered into clumps;
agglutinate.
v.t.
- to gather or form into a clump;
mass.
- akin to Dutch klompe lump, mass, Old English clympre lump of metal 1580–90