broccoli rabe broc·co·li·rabe uncommon noun 1. plant grown for its pungent edible leafy shoots Synonymsbroccoli raabbroccoli rabeBrassica rapa ruvo 2. slightly bitter dark green leaves and clustered flower buds Synonymsbroccoli rabebroccoli raab Related words Broader terms cruciferous vegetablecrucifer Parts broccoli raabBrassica Part of broccoli rabe WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.