WordWeb Online

1. The sound of a horse's hoofs hitting on a hard surface
   - clip-clop, clippety-clop, clop, clopping, clunking

1. Make or move along with a sound as of a horse's hooves striking the ground
   - clop, clunk, plunk
    
2. Come together as in a cluster or flock
   "The poets clump in this town every summer";
   - cluster, constellate, flock
    
3. Walk clumsily
   - clomp
    
4. Gather or cause to gather into a cluster
   "She clumped her fingers into a fist";
   - bunch, bundle, cluster

Type of: assemble, foregather, forgather, form, gather, go, meet, sound, walk

Encyclopedia: Clumping