The action of tying; an instance of this. Also, the result of the action or operation; a tie or the place where it is made. Surgery.

The action of binding with a ligature; esp. in Surgery, the operation of tying up (a bleeding artery, etc.). Also, an instance of this.

The action of tying off a blood vessel or other structure with a suture, clip, etc., typically to prevent bleeding; an instance of this; = ligation…