'Costotome' definitions:

Definition of 'Costotome'

From: GCIDE

Costotome \Cos"to*tome\ (k?s"t?-t?m), n. [Costa + Gr. ???? to cut.] An instrument (chisel or shears) to cut the ribs and open the thoracic cavity, in post-mortem examinations and dissections. --Knight. [1913 Webster]