What is the meaning of jar?

noun

• A vessel (usually cylindrical) with a wide mouth and without handles.
• The quantity contained in a jar.
  • usage: "he drank a jar of beer"
  • synonyms: jarful
• A sudden jarring impact.
  • usage: "the door closed with a jolt"; "all the jars and jolts were smoothed out by the shock absorbers"
  • synonyms: jolt, jounce, shock

verb

• Be incompatible; be or come into conflict.
  • usage: "These colors clash"
  • synonyms: clash, collide
• Move or cause to move with a sudden jerky motion.
  • synonyms: jolt
• Shock physically.
  • usage: "Georgia was shaken up in the Tech game"
  • synonyms: shake up, bump around
• Affect in a disagreeable way.
  • usage: "This play jarred the audience"
• Place in a cylindrical vessel.
  • usage: "jar the jam"