Turnip

Noun

 * 1) The white root of a yellow-flowered plant, Brassica rapa, grown as a vegetable and as fodder for cattle.
 * 2)  The yellow root of a related plant, the swede or Brassica napus.

Synonyms

 * summer turnip, swede (Ireland, Northern England, Scotland), tumshie (Scotland), white turnip (Cornwall, Scotland)

Derived terms

 * fall off the turnip truck