Ex*cit"ant (?), a. [L. excitans, -antis, p. pr. of excitare: cf. F. excitant.]
Tending to excite; exciting.
© Webster 1913.
Ex*cit"ant, n. Physiol.
An agent or influence which arouses vital activity, or produces increased action, in a living organism or in any of its tissues or parts; a stimulant.
© Webster 1913.