Stim"u*lant (?), a. [L. stimulans, p.pr.; cf. F. stimulant. See Stimulate.]
1.
Serving to stimulate.
2. Physiol.
Produced increased vital action in the organism, or in any of its parts.
© Webster 1913.
Stim"u*lant, n. [Cf. F. stimulant.]
1.
That which stimulates, provokes, or excites.
His feelings had been exasperated by the constant application of stimulants.
Macaulay.
2. Physiol. & Med.
An agent which produces a temporary increase of vital activity in the organism, or in any of its parts; -- sometimes used without qualification to signify an alcoholic beverage used as a stimulant.
© Webster 1913.