expectorate
American Heritage Dictionary:
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ex·pec·to·rate
(ĭk-spĕk'tə-rāt') 
v., -rat·ed, -rat·ing, -rates. v.tr.
v., -rat·ed, -rat·ing, -rates. v.tr.
- To eject from the mouth; spit.
- To cough up and eject by spitting.
- To spit.
- To clear out the chest and lungs by coughing up and spitting out matter.
[Latin expectorāre, expectorāt-, to drive from the chest : ex-, ex- + pectus, pector-, chest.]
expectoration ex·pec'to·ra'tion n.American Heritage Stedman's Medical Dictionary:
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ex·pec·to·rate
Saunders Veterinary Dictionary:
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expectoration
1. the coughing up and swallowing of material from the lungs, bronchi and trachea. In humans the coughed up material is discarded by spitting.
2. sputum.
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American Heritage Dictionary
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.
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American Heritage Stedman's Medical Dictionary
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company.
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Saunders Veterinary Dictionary
Saunders Comprehensive Veterinary Dictionary 3rd Edition. Copyright © 2007 by D.C. Blood, V.P. Studdert and C.C. Gay, Elsevier. All rights reserved.
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