ciatome

ciatome Surg.

(ˈsaɪətəʊm)

[Acc. to Mayne, f. Gr. κί-ων column, uvula, cartilage of the nose + -τοµος cutting: but see cionotome, the correct formation from these elements.]

‘An instrument for dividing pseudo-membranous bands in the rectum and bladder’ (Mayne Expos. Lex. 1860).