To poke, pierce, thrust.
To attend to or supply a furnace with fuel; to act as a stoker or fireman.
To encourage a behavior or emotion.
To feed, stir up, especially, a fire or furnace.
An act of poking, piercing, thrusting
To perforate with a trephine.
To use a trephine during surgery.
A surgical instrument with a cylindrical blade used to remove a circular section of tissue, f.e. bone or cornea; a trepan.