/kayl/ , n.
1. Also called borecole . a cabbagelike cultivated plant, Brassica oleracea acephala, of the mustard family, having curled or wrinkled leaves: used as a vegetable.
2. Scot. cabbage.
3. Slang. money.
Also, kail .
[ 1250-1300; ME cale, northern var. of COLE ]