pul.vil.lus

n.（名詞）
【復(fù)數(shù)】 pul.vil.li[-vl.o.]
A soft, cushionlike pad on the foot of an insect, such as the housefly, by which it clings to a surface.
毛墊，爪墊：家蠅等昆蟲足部用以附到一個(gè)平面上的象墊子似的柔軟墊狀物

來源：
Latin
拉丁語
short for pulvonulus [diminutive of] pulvonus [cushion]
pulvonulus的簡寫 [] pulvonus的小后綴 [墊子]