Source : Webster's Revised Unabridged Dictionary (1913)

Emmantle \Em*man"tle\, v. t. [Pref. em- (L. in) + mantle: cf. F.
   emmanteler. Cf. {Inmantle}.]
   To cover over with, or as with, a mantle; to put about as a
   protection. [Obs.] --Holland.