root vegetable Links Share URL Lookup “root vegetable” at: Wikipedia Wiktionary Wordnik Dictionary.com Google noun any of various fleshy edible underground roots or tubers Less specific vegetable, veggie, veg More specific potato, white potato, Irish potato, murphy, spud, tater, yam, sweet potato, Jerusalem artichoke, sunchoke, beet, beetroot, carrot, celeriac, celery root (more) , salsify, parsnip, radish, turnip, taro, taro root, cocoyam, dasheen, edda