butternut

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

  1. noun North American walnut tree having light-brown wood and edible nuts; source of a light-brown dye
  2. noun oily egg-shaped nut of an American tree of the walnut family

Etymology

From butter + nut.

In classic literature

Synonyms

butternut tree, white walnut, Juglans cinerea

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