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
   - cluster, constellate, flock 
3. Walk clumsily
   - clomp 
4. Gather or cause to gather into a cluster
   - bunch, bunch up, bundle, cluster

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

Encyclopedia: Clumping

• Prokayotae
• Prokhorov
• Prokofiev
• prolactin
• prolamine
• prolapse
• prolapsus
• prolate
• prolate cycloid
• prole
• proleg
• prolegomenon
• prolepsis
• proletarian
• proletariat
• proletariate
• proliferate
• proliferation
• proliferous
• prolific
• prolificacy
• prolifically
• proline
• prolix
• prolixity