1. (n.) The act of cutting or paring off.

2. (n.) The removal of the articular extremity of a bone, or of the ends of the bones in a false articulation.

abscission amputation anastomotic operation bloodless operation butchering capital operation chopping cleavage compensating operation corneal transplant crescent operation cutting dichotomy elective operation emergency operation enucleation excision exploratory operation fenestration operation fission heart transplant interval operation kidney transplant laceration major operation minor operation mutilation operation organ transplant organ transplantation palliative operation radical operation removal rending ripping scission section severance slashing slicing splitting surgery surgical intervention surgical operation surgical technique tearing the knife transplant