The Collaborative International Dictionary of English v.0.48:

Hypodermic syringe \Hyp`o*der"mic syr"inge\, n.
   a small syringe designed for use together with a hypodermic
   needle[1] for injection of liquids directly under the skin,
   or into other parts of the body of an animal.
   [PJC]

WordNet (r) 3.0 (2006):

hypodermic syringe
    n 1: a piston syringe that is fitted with a hypodermic needle
         for giving injections [syn: hypodermic syringe,
         hypodermic, hypo]