Webster's Revised Unabridged Dictionary · 1913

Reversion

Reversion (re*vẽr"shun) , noun

[French réversion, Latin reversio a turning back. See Revert.]

1.
The act of returning, or coming back; return. [Obsolete]
After his reversion home, [he] was spoiled, also, of all that he brought with him. — Foxe
2.
That which reverts or returns; residue. [Obsolete]
The small reversion of this great navy which came home might be looked upon by religious eyes as relics. — Fuller
3.
(Law) The returning of an estate to the grantor or his heirs, by operation of law, after the grant has terminated; hence, the residue of an estate left in the proprietor or owner thereof, to take effect in possession, by operation of law, after the termination of a limited or less estate carved out of it and conveyed by him. — Kent
4.
Hence, a right to future possession or enjoyment; succession.
For even reversions are all begged before. — Dryden
5.
(Annuities) A payment which is not to be received, or a benefit which does not begin, until the happening of some event, as the death of a living person. — Brande & C
6.
(Biology) A return towards some ancestral type or character; atavism.
Collocations (1)
Reversion of series (Algebra) , the act of reverting a series. See To revert a series, under Revert, transitive verb