What is Phlegm?
Phlegm definition and meaning on Dictionary terms:
the thick mucus secreted in the respiratory passages and discharged through the mouth, especially that occurring in the lungs and throat passages, as during a cold.
one of the four elemental bodily humors of medieval physiology, regarded as causing sluggishness or apathy.
sluggishness, indifference, or apathy.
self-possession, calmness, or composure.