A portable is a temporary building or movable structure, such as a portable toilet or a trailer used for classes at a school.

(computing) Clipping of portable computer.

(video games) A hand-held video gaming device.

Able to be carried or easily moved.

Able to be transferred from one organization to another.

(computing) Of software: able to be run on multiple hardware or operating systems.

(computing) Of a program: able to be copied directly from one machine to another without the use of an installer.