expectorate
1. [ verb ] clear out the chest and lungs
Synonyms: drive_out clear_out
Examples:

"This drug expectorates quickly"

Related terms: remove
2. [ verb ] discharge (phlegm or sputum) from the lungs and out of the mouth
Synonyms: cough_out spit_up spit_out cough_up
Related terms: discharge spit cough splutter hawk expectoration
Similar spelling:   expectorant
  expectorator
  expectoration
  expected
  expectable
  expectedness
  expectant
  expectancy
  expected_value
  expectation
  expectantly