Beta vulgaris be·ta·vul·garis uncommon noun 1. biennial Eurasian plant usually having a swollen edible root; widely cultivated as a food crop Synonymsbeetcommon beetBeta vulgaris Related words Word family Beta vulgaris ciclaBeta vulgaris rubraBeta vulgaris vulgaris Broader terms vegetable Narrower terms beetrootchardmangel-wurzelsugar beet Parts Beta WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.