Phlĕgm, n.

noun

(flĕm), n. [Fr. phlegme, flegme, Pr. & Pg. flegma, Sp. flema, It. flemma, Lat. phlegma, Gr. φλέγμα, a flame, inflammation, phlegm, a pituitous matter, a cold, slimy humor in the body, from φλέγω, to burn.]

One of the four humors of which the ancients supposed the blood to be composed.
(Physiol.) The tenacious mucus of the respiratory and digestive passages.
(Chem.) Water, or the water of distillation. [Obs.] Coxe.
Dulness; coldness; sluggishness; indifference. They judge with fury, but they write with phlegm. Pope.

The hard and worldly Of those whose eyes are only turned below. Byron.