Disbelief or uncertainty (about something); (countable) a particular instance of such disbelief or uncertainty.
To be undecided about; to lack confidence in; to disbelieve, to question.
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.
Calmness of temperament, composure; also seen negatively, sluggishness, indifference.
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.