Source : Webster's Revised Unabridged Dictionary (1913)

Loadstar \Load"star`\, Lodestar \Lode"star`\, n. [Load, lode +
   star. See {Lode}.]
   A star that leads; a guiding star; esp., the polestar; the
   cynosure. --Chaucer. `` Your eyes are lodestars.'' --Shak.

         The pilot can no loadstar see.           --Spenser.

Source : WordNet®

loadstar
     n 1: guiding star; a star that is used as a reference point in
          navigation of astronomy [syn: {lodestar}]
     2: something that serves as a model or guide [syn: {lodestar}]