Lunchbox

Noun

1. A container for transporting meals, especially lunch.
2. The penis when enclosed in clothing.
3. A lunch packaged in a disposable box to be taken away to eat.

   "Jack was carrying his lunchbox with him."

4. A luggable; an early laptop computer, usually a unit with a handle and a fold-out keyboard.
5. A simple portable transmitter sometimes used in phreaking.