sputum

spu·tum   (spyōō'təm)    n.   pl. spu·ta (-tə) Matter coughed up and usually ejected from the mouth, including saliva, foreign material, and substances such as mucus or phlegm, from the respiratory tract. [Latin spūtum, from neuter past participle of spuere, to spit.]

Main Entry: spu·tum
Pronunciation: 'sp(y)üt-&m
Function: noun
Inflected Form: plural spu·ta /-&/
: the matter discharged from the air passages in diseases of the lungs, bronchi, or upper respiratory tract that contains mucus and often pus, blood, fibrin, or bacterial products

sputum spu·tum (spy&oomacr;'təm)
n. pl. spu·ta (-tə)
Matter coughed up and usually expelled from the mouth, especially mucus or mucopurulent matter expectorated in diseases of the air passages.