Expectorate
/ɪkˈspektəreɪt/
Definition 1 of 1
Pro Tip 1/3Medical Context
Often used in healthcare to describe when patients need to clear their throat or lungs. 
Please expectorate into the container, so we can send your sample to the lab.
Pro Tip 2/3Cultural Connotation
Considered impolite in public spaces; usually done discreetly, except in a medical setting. 
He had to step outside to expectorate, as it's frowned upon indoors.
Pro Tip 3/3Euphemism
'Expectorate' is a formal term, sounding less crude than 'spit'. 
The sign read, 'Do not expectorate on the floor,' to politely discourage spitting.