titilla
noun
ti·til·la
tīˈtilə,
tə̇ˈt-
plural titillae
tīˈti(ˌ)lē;
tə̇ˈti(ˌ)lē,
-ˌlī
: any of various processes on the external genitalia of male invertebrate animals believed to play a role in sexual activities
Word History
Etymology
New Latin, from Latin titillare to tickle