from Wiktionary, Creative Commons Attribution/Share-Alike License

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

from the GNU version of the Collaborative International Dictionary of English

  • n. An instrument (chisel or shears) to cut the ribs and open the thoracic cavity, in post-mortem examinations and dissections.

from The Century Dictionary and Cyclopedia

  • n. A knife, chisel, or shears used in dissection for cutting through the costal cartilages and opening the thoracic cavity; a cartilage-knife.


costa + Ancient Greek to cut. (Wiktionary)


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