noun
hard-shelled nut
Rare botanical term for nuts with a hard shell, such as walnuts, pecans, and almonds. Not used in everyday conversation; the common word is 堅果 (けんか) or simply ナッツ.
植物学の文献では、クルミやアーモンドは殻果に分類されることがある。
In botanical literature, walnuts and almonds are sometimes classified as hard-shelled nuts (殻果).