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)