Webster's Revised Unabridged Dictionary · 1913

Dan

Dan (dan) , noun

[Old English dan, danz, Old French danz (prop. only nom.), dan, master, from Latin dominus. See Dame.]

A title of honor equivalent to master, or sir. [Obsolete]
Old Dan Geoffry, in gently spright The pure wellhead of poetry did dwell. — Spenser
What time Dan Abraham left the Chaldee land. — Thomson

Dan , noun

[Etymol. uncertain.]

(Mining) A small truck or sledge used in coal mines.