definition of
vellicate

[1] #1 vellicate v. [tickle, titillate] touch (a body part) lightly so as to excite the surface nerves and cause uneasiness, laughter, or spasmodic movements. wn

[2] #2 vellicate v. [pinch] irritate as if by a nip, pinch, or tear; "smooth surfaces can vellicate the teeth"; "the pain is as if sharp points pinch your back". wn