clump

UK:**UK and possibly other pronunciationsUK and possibly other pronunciations/ˈklʌmp/US:USA pronunciation: IPA and respellingUSA pronunciation: IPA/klʌmp/ ,USA pronunciation: respelling(klump)


WordReference Random House Learner's Dictionary of American English © 2026
clump /klʌmp/USA pronunciation   n. [countable]
  1. a small group or cluster, esp. of trees or plants.
  2. a lump or mass:a clump of muddy fur.
  3. a heavy, thumping sound, etc.:the clump of feet on the stairs.

v. 
  1. [no object] Also, clomp. to walk heavily and clumsily:His heavy boots clumped on the stairs.
  2. 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.

WordReference Random House Unabridged Dictionary of American English © 2026
clump  (klump),USA pronunciation n. 
  1. a small, close group or cluster, esp. of trees or other plants.
  2. a lump or mass
  3. a heavy, thumping step, sound, etc.
  4. Immunologya cluster of agglutinated bacteria, red blood cells, etc.
  5. a thick extra sole on a shoe.

v.i. 
  1. Also, clomp. to walk heavily and clumsily.
  2. Immunologyto gather or be gathered into clumps;
    agglutinate.

v.t. 
  1. to gather or form into a clump;
    mass.
  • akin to Dutch klompe lump, mass, Old English clympre lump of metal 1580–90
clumpy, clumpish, clumplike′, adj. 

Collins Concise English Dictionary © HarperCollins Publishers::
clump /klʌmp/ n
  1. a cluster, as of trees or plants
  2. a dull heavy tread or any similar sound
  3. an irregular mass
  4. an inactive mass of microorganisms, esp a mass of bacteria produced as a result of agglutination
  5. an extra sole on a shoe
  6. slang a blow
vb
  1. (intransitive) to walk or tread heavily
  2. to gather or be gathered into clumps, clusters, clots, etc
  3. to cause (bacteria, blood cells, etc) to collect together or (of bacteria, etc) to collect together
  4. (transitive) slang to punch (someone)
Etymology: Old English clympe; related to Middle Dutch klampe heap of hay, Middle Low German klampe clamp2, Swedish klimp small lumpˈclumpy adj
'clump' also found in these entries (note: many are not synonyms or translations):
Collocations: a clump of [weeds, grass], [pull up, grab] a clump of [weeds], [brush out, remove] the (dog's) furry clumps, more...

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