Rei

Boyd’s Bible Dictionary:

(friendly). A friend of David (1 Kings 1:8).

Concise Bible Dictionary:

A friend of David, mentioned when Adonijah set himself up to be king (1 Kings 1:8).

Strong’s Dictionary of Hebrew Words:

Transliteration:
Re`iy
Phonic:
ray-ee’
Meaning:
from 7453; social; Rei, an Israelite
KJV Usage:
Rei

Jackson’s Dictionary of Scripture Proper Names:

my friend

Potts’ Bible Proper Names:

A friend; my shepherd:―a friend of David, 1 Kings 1:8. {Amicus}