—v.t. 1. to hinder or obstruct with thick or sticky matter; choke up: to clog a drain. 2. to crowd excessively, esp. so that movement is impeded; overfill: Cars clogged the highway. 3. to encumber; hamper; hinder.
—v.i. 1. to become clogged, encumbered, or choked up.
2. to stick; stick together.
3. to do a clog dance.
—n. 1. anything that impedes motion or action; an encumbrance; a hindrance.
2. a shoe or sandal with a thick sole of wood, cork, rubber, or the like.
3. a similar but lighter shoe worn in the clog dance.
4. a heavy block, as of wood, fastened to a person or beast to impede movement.
5. See clog dance. 6. Brit. Dial.a thick piece of wood.