pedipalp

ped.i.palp

n.（名词）
One of the second pair of appendages near the mouth of a spider or other arachnid that are modified for various reproductive, predatory, or sensory functions.
须脚：靠近蜘蛛或其他蜘蛛纲动物嘴部第二对附属器官的一个用于生殖、捕食或感觉的器官