Definitions
1.verbTo make a sudden, sharp noise, or succession of noises; to click.
2.verbTo cause to make a sudden, sharp noise, or succession of noises; to click.
3.verbTo chatter or babble; to utter rapidly without consideration.
4.verbTo cut the sheep's mark off (wool), to make the wool weigh less and thus yield less duty.
5.nounA sound that clacks.