A reversion is the residue of an estate left in the grantor who has conveyed, or in the heirs of the devisor who has devised a particular estate less than his own, and which residue returns to his or their possession on the expiration of the particular estate.
D.C. Code § 42-509
Reversions
Mar. 3, 1901, 31 Stat. 1351, ch. 854, § 1019
Official source: D.C. Law Library (Council of the District of Columbia). Reproduced from public-domain District of Columbia statutes; confirm against the official source for the current text. Not legal advice.