Search Result for "aspirator": 
Wordnet 3.0

NOUN (1)

1. a pump that draws air or another gas through a liquid; 



The Collaborative International Dictionary of English v.0.48:

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]


WordNet (r) 3.0 (2006):

aspirator
    n 1: a pump that draws air or another gas through a liquid