ETYM Old Eng. bocle buckle, boss of a shield, Old Fren. bocle, French boucle, boss of a shield, ring, from Latin buccula a little cheek or mouth, dim. of bucca cheek; this boss or knob resembling a cheek.
Fastens together two ends of a belt or strap; often has loose prong.

ETYM Akin to Dutch krul, Dan. krölle. Related to Curl.
1. A ringlet, especially of hair; anything of a spiral or winding form.
2. An undulating or waving line or streak in any substance, as wood, glass, etc.; flexure; sinuosity.

(Homonym: loupe).
1. Anything with a round or oval shape that is closed or nearly closed; SYN. circuit.
2. An inner circle of advisors (especially under President Reagan).
3. The basic pattern of the human fingerprint.

Having curls, wavy (of hair); having a wavy grain (of wood)
(Of hair) Having curls or waves.