Webster's Revised Unabridged Dictionary · 1913

Broccoli

Broccoli ({not transcribed}) , noun

[Italian broccoli, plural of broccolo sprout, cabbage sprout, dim. of brocco splinter. See Broach, n.]

(Botany) A plant of the Cabbage species (Brassica oleracea) of many varieties, resembling the cauliflower. The “curd,” or flowering head, is the part used for food.