broccoli raab or broccoli rabe (räb) n. A vegetable plant (Brassica rapa) related to the turnip and grown for its pungent leafy shoots. Also called rapini.
[Italian broccoli di rapa : broccoli, pl. diminutive of brocco, sprout, shoot; see broccoli + di, of (from Latin dē; see de-) + rapa, turnip; see rape2.]