n. & v.
--n.
1. (foll. by of) a cluster of plants, esp. trees or shrubs.
2 an agglutinated mass of blood-cells etc.
3 a thick extra sole on a boot or shoe.
--v.
1. a intr. form a clump. b tr. heap or plant together.
2 intr. (also clomp) walk with heavy tread.
3 tr. colloq. hit.
Derivatives:
clumpy adj. (clumpier, clumpiest).
Etymology: MLG klumpe, MDu. klompe: see CLUB