CURL, verb transitive 1. To turn, bend or form into ringlets; to crisp; as the hair. 2. To writhe; to twist; to coil; as a serpent. 3. To dress with curls. The snaky locks that curled Megaera. 4. To raise in waves or undulations; to ripple. Seas would be pools, without the brushing air to curl the waves. CURL, verb intransitive 1. To bend in contraction; to shrink into ringlets. 2. To rise in waves or undulation; to ripple; and particularly, to roll over at the summit; as a curling wave. 3. To rise in a winding current, and to roll over at the ends; as curling smoke. 4. To writhe; to twist itself. Then round her slender waist he curled. 5. To shrink; to shrink back; to bend and sink. He curled down into a corner. CURL, noun 1. A ringlet of hair, or any thing of a like form. 2. Undulation; a waving; sinuosity; flexure. 3. A winding int he grain of wood.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI