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 |
2. | (Bot.) The nut of the Caryocar butyrosum and Caryocar nuciferum, of S. America; - called also |
Noun | 1. | ![]() |
2. | butternut - oily egg-shaped nut of an American tree of the walnut family |