sputum
Concise Oxford English Dictionary © 2008 Oxford University Press:
sputum /ˈspjuːtəm/
▶noun a mixture of saliva and mucus coughed up from the respiratory tract, typically as a result of infection or other disease.
– origin C17: from L., neut. past part. of spuere ‘to spit’.
'sputum' also found in these Oxford entries:
