·noun A Jew bound by a vow to lave the hair uncut, to abstain from wine and strong drink, and to practice extraordinary purity of life and devotion, the obligation being for life, or for a certain time. The word is also used adjectively.
one chosen or set apart ...
Hitchcock's Bible Names Dictionary
(Heb. form Nazirite), the name of such Israelites as took on them the vow prescribed in Num. 6:2-21....
Easton's Bible Dictionary
more properly Naz'irite (one separated), one of either sex who was bound by a vow of a peculiar kind...
William Smith's Bible Dictionary