- a small, close group or cluster, especially of trees or other plants.
- a lump or mass
- a heavy, thumping step, sound, etc.
- Immunology. a cluster of agglutinated bacteria, red blood cells, etc.
- a thick extra sole on a shoe.
- Also clomp. to walk heavily and clumsily.
- Immunology. to gather or be gathered into clumps; agglutinate.
- to gather or form into a clump; mass.
Origin of clump
Examples from the Web for clumping
As she opened the squeaky screen-door he was clumping down the steps.In a Little Town
It was as musical as the clumping of a new pair of red topped boots.Red Head and Whistle Breeches
Ellis Parker Butler
There was a great army of them, clumping down the road the way they do.Fanny Herself
They heard a clumping step upon the staircase, and, when it reached the landing, it stopped at their door.The Lost Prince
Frances Hodgson Burnett
The girl, clumping along in the boots which were much too large for her, entered a small room to one side.Missing at Marshlands
- a cluster, as of trees or plants
- a dull heavy tread or any similar sound
- an irregular massa clump of hair or earth
- an inactive mass of microorganisms, esp a mass of bacteria produced as a result of agglutination
- an extra sole on a shoe
- slang a blow
- (intr) to walk or tread heavily
- to gather or be gathered into clumps, clusters, clots, etc
- to cause (bacteria, blood cells, etc) to collect together or (of bacteria, etc) to collect together
- (tr) slang to punch (someone)
Word Origin and History for clumping
1580s, "lump; cluster of trees," from Middle English clompe "a lump" (c.1300), from Dutch klomp "lump, mass," or Middle Low German klumpe "clog, wooden shoe." Old English had clympre "lump, mass of metal."
"walk heavily," 1660s, imitative. Related: Clumped; clumping.
"to heap or gather in clumps" (transitive), 1824, from clump (n.). Related: Clumped; clumping. Intransitive sense "to form a clump or clumps" is recorded from 1896.
- The massing together of bacteria or other cells suspended in a fluid.