clumping

(noun) the sound of a horse's hoofs hitting on a hard surface. Synonyms: clip-clop, clippety-clop, clop, clopping, clunking.

(verb) make or move along with a sound as of a horse's hooves striking the ground. Synonyms: clop, clump, clunk, plunk.

(verb) come together as in a cluster or flock. Synonyms: cluster, constellate, flock, clump. Example: "The poets constellate in this town every summer."

(verb) walk clumsily. Synonyms: clump, clomp.

(verb) gather or cause to gather into a cluster. Synonyms: bunch, bunch up, bundle, cluster, clump. Example: "She bunched her fingers into a fist."