杯狀凹,吸盤,殼鬥
Cupule \Cu"pule\ (k?"p?l), n. [See {Cupola}.] 1. (Bot.) A cuplet or little cup, as of the acorn; the husk or bur of the filbert, chestnut, etc. 2. (Zo["o]l.) A sucker or acetabulum.
cupule n 1: cup-shaped structure of hardened bracts at the base of an acorn [syn: {acorn cup}] 2: a sucker on the feet of certain flies