Webster's Revised Unabridged Dictionary · 1913

Kale

Kale , noun

[Scot. kale, kail, cale, colewort, Gael. cael; akin to Ir. cal, Welsh cawl, Armor. kaol. See Cole.]

1.
(Botany) A variety of cabbage in which the leaves do not form a head, being nearly the original or wild form of the species.
2.
See Kail, 2.
Collocations (1)
Sea kale (Botany) , a European cruciferous herb (Crambe maritima), often used as a pot herb; sea cabbage.