Jack
Appearance
The name Jack is a pet name for John, or to a lesser extent Jacob, commonly so in the Northeastern United States and in the United Kingdom. Jack may also refer to:
Myth/Folklore
- Jack (hero), an archetypal trickster hero appearing in many folk tales, fairy tales, legends and literature.
Computers
- Jack (CAD software), a 3-D ergonomics and human factors CAD package
- JACK Intelligent Agents, a multi-agent platform written in Java
- JACK Audio Connection Kit, a computer sound server
- Jack (human modeling), a human modeling and simulation system
Games
- Jacks, six-tipped game pieces used in the game of the same name
- Jack (playing card), the lowest face card in a deck of playing cards
- Jack, a target ball used in games such as bowls
Films
- Jack (1996 film), a 1996 film starring Robin Williams
- Jack (2004 film), a 2004 film starring Anton Yelchin and Stockard Channing
- Jack: The Last Kennedy Film, a 1993 American TV documentary directed by Nick Davis
Music
- Jack (band), a British independent pop group signed to the Too Pure label
- Jack (album), a 2010 studio album by John Farnham
- "The Jack", a song by AC/DC originally on the 1975 album T.N.T.
Flags
- A Navy Jack, a type of flag flown by warships
- Union Jack, a.k.a. Union Flag, the flag of the United Kingdom
Plants
- Jack (tree) (Mangifera caesia), a relative of the mango
- Jackfruit, a species of tree native to the East Indies
Fish
- Carangidae, generally
- Coho salmon, males called "jacks"
- Esox (northern pike), young called "jacks"
- "Jack Fish", a name for Northern pike, in Saskatchewan, Canada
Tools and devices
- Jack (device), a device used to lift heavy objects
- Jack plane, a tool for smoothing wood
- Jackhammer, a portable percussive drill
- Jackknife, a folding knife
- Roasting jack, a device for turning a spit
Connectors
- Jack (connector), an electrical connector
- Jack plug, also known as a TRS connector, a common audio connector
Other uses
- Jack, an archaic unit of volume equal to two fluid ounces
- Jack, slang for theft
- Jack (given name), a masculine given name
- Jack (webcomic), an anthropomorphic webcomic
- Monterey Jack, a variety of cheese
- Jack in the Green, a traditional figure in British May Day celebrations
- Jack Daniel's, a brand of whiskey
- Jack FM, a radio format and brand
- Jack of plate, a type of armour
- Jacking, a form of dance
- Jack-o'-lantern
- Jackass, a male donkey.
- Jack (mascot) the mascot of Jack in the Box restaurants
- Oxide jacking rust bursting