The Collaborative International Dictionary
Revest \Re*vest"\, v. i. To take effect or vest again, as a title; to revert to former owner; as, the title or right revests in A after alienation.
Revest \Re*vest"\ (r[=e]*v[e^]st"), v. t. [OF reverstir, F. rev[^e]tir, L. revestire; pref. re- re- + vestire to clothe, fr. vestis a garment. See Vestry, and cf. Revet.]
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To clothe again; to cover, as with a robe; to robe.
Her, nathless, . . . the enchanter Did thus revest and decked with due habiliments.
--Spenser. To vest again with possession or office; as, to revest a magistrate with authority.
Wiktionary
vb. 1 (context obsolete English) To dress (a priest or other religious figure) in ritual garments, especially to celebrate Mass or another service. 2 To reclothe; to dress again. 3 To return (property) to a former owner; to reinstate 4 To invest again with possession or office.