Expectorate

v. t.	1.	To eject from the trachea or lungs; to discharge, as phlegm or other matter, by coughing, hawking, and spitting; to spit forth. [imp. & p. p. Expectorated ; p. pr. & vb. n. Expectorating .]
v. i.	1.	To discharge matter from the lungs or throat by hawking and spitting; to spit.

Verb	1.	expectorate - clear out the chest and lungs; "This drug expectorates quickly" Synonyms: clear out, drive out
	2.	expectorate - discharge (phlegm or sputum) from the lungs and out of the mouth Synonyms: cough out, cough up, spit up, spit out

clear out, drive out, remove, take, take away, withdraw