资料来源 : Webster's Revised Unabridged Dictionary (1913)

Traveler \Trav"el*er\, n. [Written also traveler.]
   1. One who travels; one who has traveled much.

   2. A commercial agent who travels for the purpose of
      receiving orders for merchants, making collections, etc.

   3. (Mach.) A traveling crane. See under {Crane}.

   4. (Spinning) The metal loop which travels around the ring
      surrounding the bobbin, in a ring spinner.

   5. (Naut.) An iron encircling a rope, bar, spar, or the like,
      and sliding thereon.

   {Traveler's joy} (Bot.), the {Clematis vitalba}, a climbing
      plant with white flowers.

   {Traveler's tree}. (Bot.) See {Ravenala}.

资料来源 : WordNet®

traveler's tree
     n : giant treelike plant having edible nuts and leafstalks that
         yield a refreshing drink of clear watery sap; reputedly
         an emergency source of water for travelers [syn: {traveller's
         tree}, {ravenala}, {Ravenala madagascariensis}]