Definify.com
Webster 1913 Edition
Excitant
Ex-cit′ant
,Adj.
[L.
excitans
, -antis
, p. pr. of excitare
: cf. F. excitant
.] Tending to excite; exciting.
Ex-cit′ant
,Noun.
(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 1828 Edition
Excitant
EXCI'TANT
,Noun.