turnip

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.

(dated) A large, heavy pocket watch, so called because its profile resembled the vegetable.