I. ə̇ˈkwestrēən, ēˈ-, eˈ- adjective
Etymology: Latin equestr-, equester of a horseman, of an eques (from eques ) + English -ian
1.
a. : of, relating to, or featuring horseback riding
b. archaic : riding on horseback : mounted
c. : representing a person on horseback
an equestrian statue
equestrian portrait
equestrian seal as the reverse of his heraldic seal
2. : of, relating to, or composed of knights : knightly
a 14th century book of Spanish equestrian arms
II. noun
( -s )
: one who rides on horseback : horseman , rider ; specifically : an equestrian acrobat