costotome

From costo- +‎ -tome.

costotome (plural costotomes)

1. An instrument to cut the ribs and open the thoracic cavity in post mortems.

• costotomy

• Edward H[enry] Knight (1877) “Costotome”, in Knight’s American Mechanical Dictionary. […], volumes I (A–GAS), New York, N.Y.: Hurd and Houghton […], →OCLC.
• “costotome”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.