σίλφη

A. cockroach, Blatta germanica, Arist. HA 601a3, Gal. 12.366,641, Ael. NA 1.37, Luc. Gall. 31; also, book-worm, Id. Ind. 17 (in form τίλφη), AP 9.251 (Even.).

II. a kind of boat, Sch.Ar. Pax 143, Suid. (acc. to Phryn. 268, τίφη (q.v.) is the correct form).