What is the meaning of chuck?

noun

• Informal terms for a meal.
  • synonyms: chow, eats, grub
• The part of a forequarter from the neck to the ribs and including the shoulder blade.
• A holding device consisting of adjustable jaws that center a workpiece in a lathe or center a tool in a drill.

verb

• Throw carelessly.
  • usage: "chuck the ball"
  • synonyms: toss
• Throw away.
  • usage: "Chuck these old notes"
  • synonyms: ditch
• Pat or squeeze fondly or playfully, especially under the chin.
  • synonyms: pat
• Eject the contents of the stomach through the mouth.
  • usage: "After drinking too much, the students vomited"; "He purged continuously"; "The patient regurgitated the food we gave him last night"
  • synonyms: vomit, vomit up, purge, cast, sick, cat, be sick, disgorge, regorge, retch, puke, barf, spew, spue, upchuck, honk, regurgitate, throw up