a kind of small hand-pump for throwing a stream of liquid, or for purposes of aspiration. it consists of a small cylindrical barrel and piston, or a bulb of soft elastic material, with or without valves, and with a nozzle which is sometimes at the end of a flexible tube; -- used for injecting animal bodies, cleansing wounds, etc.-to inject by means of a syringe; as, to syringe warm water into a vein.-to wash and clean by injection from a syringe.