Collateral limitation
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
One which gives an interest in an estate for a specified period, but makes the right of enjoyment to depend on some collateral event, as an estate to A. till B. shall go to Rome. Templeman v. Gibbs, 86 Tex. 358, 24 S. W. 792 ; 4 Kent, Comm. 128.