favourite horse; favorite horse
騎士は愛馬に跨がり戦場へ向かった。
The knight mounted his beloved horse and headed to the battlefield.
愛馬の世話を欠かさない彼は評判が良い。
He is well-regarded for never neglecting the care of his beloved horse.
長年連れ添った愛馬との別れは辛かった。
Parting with his beloved horse after many years together was painful.