tītillātĭo — Lewis & Short
tītillātĭo, ōnis, f.id.,
I a tickling, titillation:
voluptates, quibus quasi titillatic sensibus adhibetur,Cic. N. D. 1, 40, 113:
non est voluptatum tanta quasi titillatio in senibus,id. Sen. 14, 47; Hier. Ep. 52, 3:
corporis,Sen. Ep. 92, 6.