Definition: portable

Source: WordNet (r) 1.7

portable
     adj 1: easily or conveniently transported; "a portable television
            set" [ant: unportable]
     2: of a motor designed to be attached to the outside of a
        boat's hull; "a portable outboard motor"
     n : a small light typewriter; usually with a case in which it
         can be carried

Source: Webster's Revised Unabridged Dictionary (1913)

Portable \Port"a*ble\, a. [L. portabilis, fr. portare to carry:
   cf. F. portable. See Port demeanor.]
   1. Capable of being borne or carried; easily transported;
      conveyed without difficulty; as, a portable bed, desk,
      engine. --South.

   2. Possible to be endured; supportable. [Obs.]

            How light and portable my pain seems now! --Shak.

   Portable forge. See under Forge.

   Portable steam engine. See under Steam engine.

Source: The Free On-line Dictionary of Computing (2003-OCT-10)

portable

   portability

PORTABLE, adj.  Exposed to a mutable ownership through vicissitudes of
possession.

    His light estate, if neither he did make it
    Nor yet its former guardian forsake it,
    Is portable improperly, I take it.
                                                        Worgum Slupsky