Source : Webster's Revised Unabridged Dictionary (1913)

Bourn \Bourn\, Bourne \Bourne\, n. [OE. burne, borne, AS. burna;
   akin to OS. brunno spring, G. born, brunnen, OHG. prunno,
   Goth. brunna, Icel. brunnr, and perh. to Gr. ?. The root is
   prob. that of burn, v., because the source of a stream seems
   to issue forth bubbling and boiling from the earth. Cf.
   {Torrent}, and see {Burn}, v.]
   A stream or rivulet; a burn.

         My little boat can safely pass this perilous bourn.
                                                  --Spenser.

Bourn \Bourn\, Bourne \Bourne\, n. [F. borne. See {Bound} a
   limit.]
   A bound; a boundary; a limit. Hence: Point aimed at; goal.

         Where the land slopes to its watery bourn. --Cowper.

         The undiscovered country, from whose bourn No traveler
         returns.                                 --Shak.

         Sole bourn, sole wish, sole object of my song.
                                                  --Wordsworth.

         To make the doctrine . . . their intellectual bourne.
                                                  --Tyndall.

Source : WordNet®

bourn
     n 1: an archaic term for a boundary [syn: {bourne}]
     2: an archaic term for a goal or destination [syn: {bourne}]