Buck may refer to any of the following:

• The male of various species of animal, including:
  • some species of deer — see also blackbuck
  • rabbits
  • squirrels
  • Tyrannosaurus rex (the term buck was first used for a male Tyrannosaurus rex in the Jurassic Park series and is currently gaining popularity)
• A slang term for:
  • African Antelope
  • a human male (usually a sexually adventurous 'boy')
  • an African American man (not in common use)
  • a dollar (particularly in the Australia, Canada, New Zealand and United States, India)
  • a repetition of an old joke, story, or fact, especially by email
  • a chicken (bucker), from the sound a chicken makes
  • a one-hit shotgun blast to the chest
  • a slight punch in the arm
• A marker or button that indicates the dealer in the card game Poker
• Buck, the main character in The Call of the Wild
• Buck (band)
• A buck converter is a type of electronics power supply.

People