▸ noun
1 a cultivated plant eaten as a vegetable, having thick green or purple leaves surrounding a spherical heart or head of young leaves.
Brassica oleracea, family Brassicaceae (the cabbage family). As well as the brassicas, the members of this family (known as crucifers) include the mustards and cresses together with many ornamentals (candytuft, alyssum, stocks, nasturtiums, wallflowers).
▪ the leaves of a head of cabbage, eaten as a vegetable.
– ORIGIN late Middle English : from Old French (Picard) caboche ‘head’, variant of Old French caboce, of unknown origin.