| Noun | 1. | broccoli - plant with dense clusters of tight green flower budsbroccoli - branched green undeveloped flower heads crucifer, cruciferous plant - any of various plants of the family Cruciferae Brassica, genus Brassica - mustards: cabbages; cauliflowers; turnips; etc. |
| 2. | broccoli - branched green undeveloped flower heads cruciferous vegetable - a vegetable of the mustard family: especially mustard greens; various cabbages; broccoli; cauliflower; brussels sprouts Brassica oleracea italica, broccoli - plant with dense clusters of tight green flower buds |