The surgical process of tying off a duct or a blood vessel with a ligature in order to stop bleeding. The term is used in tubal ligation, a form of sterilization in which the fallopian tubes are tied off (see sterilization, female).
Tying-o? – for example, of a blood vessel – by completely encircling it with a tight band, usually of catgut or some other suture material.
n. the application of a *ligature. This can be used to stop bleeding from medium and larger blood vessels.