but·ter·nut /-ˌnʌt/
 白胡桃的一種,白脫奶特


 But·ter·nut n.
 1. Bot. An American tree (Juglans cinerea) of the Walnut family, and its edible fruit; -- so called from the oil contained in the latter. Sometimes called oil nut and white walnut.
 2. Bot. The nut of the Caryocar butyrosum and Caryocar nuciferum, of S. America; -- called also Souari nut.

 ◄ ►


 butternut
      n 1: North American walnut tree having light-brown wood and
           edible nuts; source of a light-brown dye [syn: {butternut
           tree, white walnut, Juglans cinerea]
      2: oily egg-shaped nut of an American tree of the walnut family