klʌmp 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 thickextra sole on a boot or shoe. --v. 1 a intr. form a clump. b tr. heap or planttogether. 2 intr. (also clomp) walkwithheavytread. 3 tr. colloq. hit. øøclumpy adj. (clumpier, clumpiest). [MLG klumpe, MDu. klompe: see CLUB]