cupule

n. 杯状部, 壳斗
【医】 顶

cu.pule

n.Biology （名词）【生物学】
A small cup-shaped structure or organ, such as the cup at the base of an acorn or one of the suckers on the feet of certain flies.
杯形器具：一种小型的杯状结构或器官，如橡树果实茎部的杯状物或位于某些苍蝇脚上的吸盘之一

来源：
Late Latin côpula [little cask]
后期拉丁语 côpula [小桶]
diminutive of Latin côpa [tub]
拉丁语 côpa的小后缀 [桶]