aspirator

as·pi·ra·tor   (ās'pə-rā'tər)    n.   A device for removing liquids or gases by suction, especially an instrument that uses suction to remove substances, such as mucus or serum, from a body cavity. A suction pump used to create a partial vacuum.

Main Entry: as·pi·ra·tor
Pronunciation: 'as-p&-"rAt-&r
Function: noun
: an apparatus for producing suction or moving orcollecting materials by suction; especially : a hollow tubular instrument connected with a partial vacuum and used to remove fluid or tissue or foreign bodies from the body

aspirator as·pi·ra·tor (ās'pə-rā'tər)
n.
An apparatus for removing fluid from a body cavity, consisting usually of a hollow needle and a cannula, connected by tubing to a container in which a vacuum is created by a syringe or a suction pump.