Portable Building , a manufactured structure that is built off site and moved in upon completion of site and utility work
Portable Classroom , a temporary building installed on the grounds of a school to provide additional classroom space where there is a shortage of capacity
Portable Toilet , a modern, portable, self-contained outhouse manufactured of molded plastic
In computing:
Portable Object (computing) , a distributed computing term for an object which can be accessed through a normal method call while possibly residing in memory on another computer
Portable software, software that can easily be Ported to multiple platforms
Portable Application s, applications that do not require any kind of installation onto a computer, and can store data in the program's directory