Webster's Revised Unabridged Dictionary · 1913

Cauliflower

Cauliflower , noun

[French choufleur, modified by English Cole. Latin caulis, and by English flower; French chou cabbage is from Latin caulis stalk, cabbage, and fleur flower is from Latin flos flower. See Cole, and Flower.]

1.
(Botany) An annual variety of Brassica oleracea, or cabbage, of which the cluster of young flower stalks and buds is eaten as a vegetable.
2.
The edible head or “curd” of a cauliflower plant.