REGURGITATION
Re*gur`gi*ta"tion (-t"shn), n. Etym: [Cf. F. régurgitation.]

1. The act of flowing or pouring back by the orifice of entrance; specifically (Med.),

Defn: the reversal of the natural direction in which the current or contents flow through a tube or cavity of the body. Quain.

2. The act of swallowing again; reabsorption.

REHABILITATE Re`ha*bil"i*tate (r`h*bl"*tt), v. t. [imp. & p. p. Rehabilitated (- t`td); p. pr. & vb. n. Rehabilitating.] Etym: [Pref. re- re- + habilitate: cf. LL. rehabilitare, F. réhabiliter.]

Defn: To invest or clothe again with some right, authority, or dignity; to restore to a former capacity; to reinstate; to qualify again; to restore, as a delinquent, to a former right, rank, or privilege lost or forfeited; — a term of civil and canon law. Restoring and rehabilitating the party. Burke.

REHABILITATION
Re`ha*bil`i*ta"tion (-t"shn), n. Etym: [Cf. LL. rehabilitatio, F.
Réhabilitation.]

Defn: The act of rehabilitating, or the state of being rehabilitated.
Bouvier. Walsh.

REHASH
Re*hash" (r*hsh"), v. t.

Defn: To hash over again; to prepare or use again; as, to rehash old arguments.