4-Letter Words That Start With: KL

• A brief, sharp, not particularly loud, relatively high-pitched sound produced by the impact of something small and hard against something hard, such as by the operation of a switch, a lock or a latch, or a finger pressed against the thumb and then released to strike the hand.

• An ingressive sound made by coarticulating a velar or uvular closure with another closure.

• Sound made by a dolphin.

• The act of operating a switch, etc., so that it clicks.

• The act of pressing a button on a computer mouse, both as a physical act and a reaction in the software.

• A pawl or similar catch.

• A detent, pawl, or ratchet, such as that which catches the cogs of a ratchet wheel to prevent backward motion.

• The latch of a door.

• A kilometer.

• (usually in the plural) Kilometres per hour.