butternut

英 ['bʌtənʌt]美 ['bʌtɚnʌt]

n. 白脱奶特（白胡桃的一种）

英文词源

butternut (n.)

also butter-nut, 1753, nut of the white walnut, a North American tree; transferred to the tree itself from 1783. The nut's color was a brownish-gray, hence the word was used (1861) to describe the warm gray color of the Southern army uniforms in the American Civil War.

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