Source : Webster's Revised Unabridged Dictionary (1913)

Labyrinth \Lab"y*rinth\, n. [L. labyrinthus, Gr. laby`rinthos:
   cf. F. labyrinthe.]
   1. An edifice or place full of intricate passageways which
      render it difficult to find the way from the interior to
      the entrance; as, the Egyptian and Cretan labyrinths.

Source : WordNet®

labyrinth
     n 1: complex system of paths or tunnels in which it is easy to
          get lost [syn: {maze}]
     2: a complex system of interconnecting cavities; concerned with
        hearing and equilibrium [syn: {inner ear}, {internal ear}]