CLUMPING
clop, clippety-clop, clip-clop, clopping, clunking, clumping
(noun) the sound of a horse’s hoofs hitting on a hard surface
Source: WordNet® 3.1
Verb
clumping
present participle of clump
Noun
clumping (plural clumpings)
A clump or cluster.
The sound of walking with heavy footfalls.
Source: Wiktionary
CLUMP
Clump, n. Etym: [Cf. D. klomp lump, G. klump, klumpen, Dan. klump,
Sw. kllimp; perh. akin to L. globus, E. globe. Cf. Club.]
1. An unshaped piece or mass of wood or other substance.
2. A cluster; a group; a thicket.
A clump of shrubby trees. Hawthorne.
3. The compressed clay of coal strata. Brande & C.
Clump, v. t.
Definition: To arrange in a clump or clumps; to cluster; to group.
Blackmore.
Clump, v. i.
Definition: To tread clumsily; to clamp. [Prov. Eng.] Halliwell.
Source: Webster’s Unabridged Dictionary 1913 Edition