The meaning of Amasai in the Bible
(From International Standard Bible Encyclopedia)

a-ma'-si ('amasay, perhaps rather to be read 'ammishay; so Wellhausen, IJG, II, 24, n.2):

(1) A name in the genealogy of Kohath, son of Elkanah, a Levite of the Kohathite family (compare I Chronicles 6:25; II Chronicles 29:12).

(2) Chief of the captains who met David at Ziklag and tendered him their allegiance. Some have identified him with Amasa and others with Abishai, who is called Abshai in I Chronicles 11:20 m (compare I Chronicles 18:12). The difficulty is that neither Amasa nor Abishai occupied the rank of the chief of thirty according to the lists in 2Sa. 23 and 1Ch. 11, the rank to which David is supposed to have appointed into (compare I Chronicles 12:18).

(3) One of the trumpet-blowing priests who greeted David when he brought back the Ark of the Covenant (compare I Chronicles 15:24).

See more on the meaning of Amasai in the Bible:
Amasai {Easton's Bible Dictionary}
Amasai {Hitchcock's Bible Name}

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