6. (Biol.)

Defn: A return towards some ancestral type or character; atavism. Reversion of series (Alg.), the act of reverting a series. See To revert a series, under Revert, v. t.

REVERSIONARY
Re*ver"sion*a*ry, a. (Law)

Defn: Of or pertaining to a reversion; involving a reversion; to be enjoyed in succession, or after the termination of a particular estate; as, a reversionary interest or right.

REVERSIONARY
Re*ver"sion*a*ry, n. (Law)

Defn: That which is to be received in reversion.

REVERSIONER
Re*ver"sion*er, n. (Law)

Defn: One who has a reversion, or who is entitled to lands or tenements, after a particular estate granted is terminated. Blackstone.

REVERSIS
Re*ver"sis, n. Etym: [F.]

Defn: A certain game at cards.