n. & v.
n. 1 a shoe with a thick wooden sole. 2 archaic an encumbrance or impediment. 3 a block of wood to impede an animal's movement.
v. (clogged, clogging) 1 (often foll. by up) a tr. obstruct, esp. by accumulation of glutinous matter. b intr. become obstructed. 2 tr. impede, hamper. 3 tr. & intr. (often foll. by up) fill with glutinous or choking matter. clog-dance a dance performed in clogs.
[ ME: orig. unkn. ]