Rei

from The Collaborative International Dictionary of English v.0.48

Rei \Rei\ (r?), n.;pl. {Reis} (r?"?s or r?z). [Pg. real, pl.
   reis. See {Real} a coin.]
   A portuguese money of account, in value about one tenth of a
   cent. [Spelt also {ree}.]
   [1913 Webster]

from Easton's 1897 Bible Dictionary

Rei
friendly, one who maintained true allegiance to king David (1
Kings 1:8) when Adonijah rebelled.

from Hitchcock's Bible Names Dictionary (late 1800's)

Rei, my shepherd; my companion; my friend

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