"clump" in the noun sense
1. bunch, clump, cluster, clustering
a grouping of a number of similar things
"a bunch of trees"
"a cluster of admirers"
2. ball, clod, glob, lump, clump, chunk
a compact mass
"a ball of mud caught him on the shoulder"
3. thump, thumping, clump, clunk, thud
a heavy dull sound (as made by impact of heavy objects)
"clump" in the verb sense
1. clop, clump, clunk, plunk
make or move along with a sound as of a horse's hooves striking the ground
2. cluster, constellate, flock, clump
come together as in a cluster or flock
"The poets constellate in this town every summer"
3. clump, clomp
walk clumsily
4. bunch, bundle, cluster, clump
gather or cause to gather into a cluster
"She bunched her fingers into a fist"
Source: WordNet® (An amazing lexical database of English)
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