Calmness of temperament, composure; also seen negatively, sluggishness, indifference.
One of the four humors making up the body in ancient and mediaeval medicine; said to be cold and moist, and often identified with mucus.
Viscid mucus produced by the body, later especially mucus expelled from the bronchial passages by coughing.
A watery distillation, especially one obtained from plant matter; an aqueous solution.
Focused alertness, quick-thinking resourcefulness, stability of thought and feeling, or good sense, especially in spite of circumstances which are distracting, stressful, or otherwise challenging.