lunchbox

• lunch box

lunch +‎ box

• Hyphenation: lunch‧box

lunchbox (plural lunchboxes)

1. A container for transporting meals, especially lunch.
2. (slang) A person or object constantly at one's side (in the manner of a lunchbox).
3. (British slang) The male genitals when enclosed in clothing.
4. (Asia) A lunch packaged in a disposable box to be taken away to eat.
5. (computing, slang) A luggable; an early laptop computer, usually a unit with a handle and a fold-out keyboard.
   • 1988, PC Mag (volume 7, number 17, 11 October 1988, page 93)

     You'll find a mix among clamshell laptops for strong laps, lunchboxes, and sewing-machine configurations; the latter two designs typically have detachable keyboards.

   • 2004, Scott Mueller, Upgrading and Repairing Laptops (page 20)

     The performance difference between desktops and lunchboxes was practically nil.

6. (slang) A simple transmitter used in phreaking.
7. A cocktail made with beer, orange juice, and almond liqueur.

• (container for transporting meals): lunch pail (US), bento box
• (person or thing at one's side): sidekick
• (male genitals enclosed in clothing): basket (US), packet, package