Sputum

n.

1.

That which is expectorated; a salival discharge; spittle; saliva.

Noun

1.

sputum - expectorated matter; saliva mixed with discharges from the respiratory passages; in ancient and medieval physiology it was believed to cause sluggishness Synonyms: phlegm

bodily fluid, body fluid, humor, humour, liquid body substance, mucous secretion, mucus, phlegm