pulvillus
noun
pul·vil·lus
ˌpəlˈviləs
plural pulvilli
-iˌlī
: a pad often covered with short hairs or an organ or process resembling or functioning like a cushion or sucker that occurs on an insect's foot between the claws of the last segment and often forms an adhesive organ
Word History
Etymology
New Latin, from Latin, small cushion, diminutive of pulvinus cushion