Chiefly dial. [Onomatopœic: app. with association of clap, clumsy, club, etc., and stamp, tramp, champ.] A heavy, solid step, tread or stamp with the feet.
1789. Fergusson, Poems, I. 280 (Jam.). Broggs, whilk on my body tramp, And wound like death at ilka clamp.
1863. Mrs. Gaskell, Sylvias L., I. vi. 109. The clamp of their [horses] feet on the round stable pavement.
b. Comb., as clamp-shoes, heavy shoes for rough work (Simmonds, Dict. Trade, 1858).