springing use

A use that arises on the occurrence of a future event. • In the following example, B has a springing use that vests when B marries: “to A for the use of B when B marries.” — Also termed executory use. [Cases: Trusts 131; Wills 625. C.J.S. Trover and Conversion § 241; Wills§§ 1314–1317, 1319.]