pulvinus

n. [植]叶枕

词形变化

pulvinae 复数 pulvinae pulvini pulvini 复数

释义与例句

n.
  1. 1.

    A joint on a plant leaf or petiole that may swell and cause movement of the leaf or leaflet.

    生物 植物学

词源

Unadapted borrowing from Latin pulvīnus. Doublet of pillow.

来源：wiktionary