heir /ɛə/ n. ［c］继承人：the right/legal heir 法律继承人，合法继承人；the sole heir to the fortune 这笔财产的惟一继承人；direct/immediate heir直系继承人 The King's eldest son is the heir to the throne. 国王的长子是王位的继承人。He has no heir to leave his fortune to.他没有子嗣继承他的财产。He is the sole heir to a large mining fortune.他是那笔巨额矿业财产的唯一继承人。