Jack

For information about the given name and surname "Jack", see Jack (name).

Jack may refer to:

• Jack (CAD software), a 3-D interactive ergonomics and human factors CAD package
• Jack (connector), an electrical connector
  • Jack plug, a common audio connector
• JACK Audio Connection Kit, a computer sound server
• Jack (device), a device used to lift heavy objects
• Jack (human modeling), a human modeling and simulation system
• Jack (playing card), the lowest face card in a deck of playing cards
• Jack (tree), a relative of the mango
• Jack, a 1996 movie starring Robin Williams
• Jack (software), audio CD ripper
• Jacking, a form of dance popular in the late 1980s
• Jacks, playground game for children
• Jack, one of a pair of windmills at Clayton, Sussex.
• Jack, a male donkey, hence the term "jackass"

Other uses

Jack may also be used for:

• Jack Daniel's, a brand of whiskey
• Jack plane, a tool for smoothing wood
• Jackfruit, a species of tree native to the East Indies
• Jacks, maritime flags flown from the bow of a ship
• Sailors
• Jack (fish), several species of fish
• Jack (webcomic), an anthropomorphic webcomic

See also

• Crackerjack (disambiguation)
• Jack-in-the-Box (disambiguation)
• All pages with titles beginning with Jack
• Jack of all trades
• You Don't Know Jack