Pronunciation: (pôr'tu-bul, pōr'-), [key]
1. capable of being transported or conveyed: a portable stage.
2. easily carried or conveyed by hand: a portable typewriter.
3. Computers.(of data sets, software, etc.) capable of being used on different computer systems.
something that is portable, esp. as distinguished from a nonportable counterpart: Of their three television sets, one is a portable.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.