Aspirator

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Aspirator \As"pi*ra`tor\, n.
     1. (Chem.) An apparatus for passing air or gases through or
        over certain liquids or solids, or for exhausting a closed
        vessel, by means of suction.
        [1913 Webster]
  


     2. (Med.) An instrument for the evacuation of the fluid
        contents of tumors or collections of blood.
        [1913 Webster]

From WordNet (r) 2.0 [wn]:

  aspirator
       n : a pump that draws air or another gas through a liquid