名詞 equestrian:

1. a man skilled in equitation
   同義詞：horseman, horseback rider

形容詞 equestrian:

1. of or relating to or composed of knights
2. of or relating to or featuring horseback riding

e.ques.tri.an

adj.（形容詞）
Of or relating to horseback riding or horseback riders.
騎馬者的：與騎馬或騎馬者有關(guān)的
Depicted or represented on horseback:
騎馬的：被描述或表達(dá)成在馬背上的：
例句：
an equestrian statue of a famous monarch.
一位著名君主的騎馬像

n.（名詞）
One who rides a horse or performs on horseback.
騎師：騎在馬背上或在馬背上表演的人

來(lái)源：
From Latin equester equestr-
源自 拉丁語(yǔ) equester equestr-
from eques [horseman]
源自 eques [騎馬的人]
from equus [horse] * see ekwo-
源自 equus [馬] *參見 ekwo-

【引伸】
eques.trianism
n.（名詞）
eques.trianship
n.（名詞）