cau·li·flow·er (kôlĭ-flou′ər, -lē-, kŏlĭ-, kŏlē-)
1. A plant (Brassica oleracea var. botrytis) in the mustard family, having a large whitish head of undeveloped flowers.
2. The flower head of this plant, eaten as a vegetable.
[Probably alteration (influenced by FLOWER) of New Latin cauliflōra : Latin caulis, stem + Latin flōs, flōr-, flower; see FLOWER.]
(click for a larger image)cauliflower
Brassica oleracea var. botrytis
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.