Definition of "kale"

kale

/keɪl/

noun
usually uncountable, plural kales
1. An edible plant, similar to cabbage, with curled leaves that do not form a dense head (Brassica oleracea var. acephala)
2. Any of several cabbage-like food plants that are kinds of Brassica oleracea.
3. (cooking) Broth containing kale as a chief ingredient.
4. (dated, slang) Money.
  Quotations
  I’ll bet he takes nine-tenths of his kale from women and children, and he’s an honored citizen.
  1921, Edgar Rice Burroughs, The Efficiency Expert‎, HTML edition, The Gutenberg Project, published 2012