noun

1. a weight fastened to the leg of an animal to hinder motion
2. anything that hinders or obstructs; hindrance
3. a shoe, sandal, etc. with a thick, usually wooden, sole: light clogs are used in clog dancing
4. clog dance

Etymology: ME clogge, a lump of wood < ? clod, clod + logge, log

transitive verb clogged, clogging clog′·ging

1. to hinder; impede
2. to fill with obstructions or with thick, sticky matter; stop up; jam

intransitive verb

1. to become stopped up
2. to become thick or sticky, so as to clog
3. to do a clog dance