por·ta·ble /ˈportəbəl, ˈpɔr-/
1. Capable of being borne or carried; easily transported; conveyed without difficulty; as, a portable bed, desk, engine.
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.
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