heir /eə $ er/ ●○○ noun [countableC] → e'er, ere, air1 SCLFAMILYthe person who has the legal right to receive the property or title of another person when they die 继承人heir to John was the sole heir to a vast estate. 约翰是一大笔遗产的唯一继承人。
heir to the throne (=the person who will become king or queen) 王位继承人
2 PBthe person who will take over a position or job after you, or who does things or thinks in a similar way to you 继任人,接班人 Jonson was his political heir as leader of the Nationalist Party. 琼森是他的政治接班人,他将担任该党派的领袖。