noun
The white root of a yellow-flowered plant, Brassica rapa, grown as a vegetable and as fodder for cattle.
(Scotland, Ireland, Northern England, Cornwall, Atlantic Canada) The yellow root of a related plant, the swede or Brassica napus.
(Hong Kong) The white root of Raphanus sativus var. longipinnatus, also known as a daikon.
(Singapore, Malaysia, by extension) The root of the yam bean, Pachyrhizus erosus; jicama.
(dated) Clipping of turnip watch
(slang) A fool or simpleton.
verb
(transitive) To plant with turnips.
(transitive) To feed or graze (livestock) on turnips.