- a plant (Brassica oleracea var. gemmifera) of the crucifer family that bears miniature cabbagelike heads along an erect stem
- one of these edible heads
(plural Brussels sprouts)
- rarely used in the singular.
Recorded since 1748. Named after Brussels, the capital city of the duchy of Brabant and presently of Belgium. Sprout is from Old English -sprutan (in asprutan (“to sprout”); cognate with Old Saxon sprutan, Old Frisian spruta, Middle Dutch spruten, modern Dutch spruit (“sprout; Brussels sprout”), Old High German spriozan, German spreissen (“to sprout”), from Proto-Germanic *spreutaną, from Proto-Indo-European *sper- (“to strew”).