穎えい果か

noun

caryopsis

Botanical term for a dry, one-seeded fruit in which the seed coat is fused with the fruit wall, typical of grasses.

• イネの穎えい果かは、私わたしたちが食たべる米こめの部ぶ分ぶんです。

  The caryopsis of rice is the part we eat as rice grains.