evacuator

[ih-vak-yoo-ey-ter]
noun
1.
a person or thing that evacuates.
2.
Medicine/Medical. an instrument for removing impacted feces from the rectum.

Origin:
1605–15; evacuate + -or2

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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Collins
World English Dictionary
evacuate (ɪˈvækjʊˌeɪt)
 
vb
1.  (also intr) to withdraw or cause to withdraw from (a place of danger) to a place of greater safety
2.  to make empty by removing the contents of
3.  (also intr) physiol
 a.  to eliminate or excrete (faeces); defecate
 b.  to discharge (any waste product) from (a part of the body)
4.  (tr) to create a vacuum in (a bulb, flask, reaction vessel, etc)
 
[C16: from Latin ēvacuāre to void, from vacuus empty]
 
evacu'ation
 
n
 
e'vacuative
 
adj
 
e'vacuator
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

evacuator e·vac·u·a·tor (ĭ-vāk'yōō-ā'tər)
n.
An instrument for removal of material from a body cavity.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Example sentences
Backflow from low-volume saliva ejectors occurs when the pressure in the patient's mouth is less than that in the evacuator.
Also features nitrous oxide fail safe valve kit, aspirator kit, gas evacuator with vacuum and a flow meter safety cover.
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