The Collaborative International Dictionary
Equitant
Equitant \Eq"ui*tant\, a. [L. equitans, -antis, p. pr. of equitare to ride, fr. eques horseman, fr. equus horse.]
Mounted on, or sitting upon, a horse; riding on horseback.
(Bot.) Overlapping each other; -- said of leaves whose bases are folded so as to overlap and bestride the leaves within or above them, as in the iris.
Wiktionary
equitant
a. 1 Mounted on, or sitting upon, a horse; riding on horseback. 2 (context botany English) overlapping at the base.