heir /ˈɛə̯/noun 3verb 1forms 3 noun3 •a son, daughter or other person who will receive the money and land someone leaves behind at deathMy brother is the heir to our childhood house and yet has no interest in it. •One who inherits, or has been designated to inherit, a hereditary title or office.As the heir to the British throne, the Prince of Wales is a very public figure. •A successor in a role, representing continuity with the predecessor.And I his heir in misery alone. — 1725 verb1 •To inherit.[…] Leonard Houtz & John Myer to be executors to this my last will & testament & lastly my children shall heir equally, one as much as the other. — 1950 formsheired · heiring · heirs