jar

noun10

1. •
   a small glass pot with straight round sides, in which fruit or other food is kept

   • The Leyden jar is charged, like the condenser of Oepinus and the fulminating square, by making one of the armatures communicate with the earth and the other with the electric source. — 1855
2. •
   An earthenware container, either with two or no handles, for holding oil, water, wine, etc., or used for burial.

   • She refilled the jar with peanuts today evening.
3. •
   A container and its contents; as much as fills such a container; a jarful.

   • Who do you think you are? / Runnin' 'round leaving scars / Collecting your jar of hearts / And tearing love apart — 2010
4. •
   A quivering or vibrating movement or sensation resulting from something being shaken or struck.

   • [...] yet (good-deed) Leontes, I loue thee not a Iarre o'th' Clock, behind What Lady she her Lord. You'le stay? — 1610
5. •
   A sense of alarm or dismay.
6. •
   A clashing or discordant set of sounds, particularly with a quivering or vibrating quality.
7. •
   The effect of something contradictory or discordant; a clash.

   • Besides the jar of contrast there came to her a chill self-reproach that she had not returned sooner, to help her mother in these domesticities, instead of indulging herself out-of-doors. — 1891
8. •
   (UK, informal) A glass of beer or cider, served by the pint.
9. •
   (UK, informal) A pint glass
10. •
    (no longer used) A disagreement, a dispute, a quarrel; (uncountable) contention, discord; quarrelling.

    • I haue beene wooed, as I intreat thee now, / Euen by the sterne, and direfull God of warre, / VVhose sinowie necke in battel nere did bow, / VVho conquers where he comes in euery iarre; […] — 1594

verb8

1. •
   To knock, shake, or strike sharply, especially causing a quivering or vibrating movement.

   • He hit it with a hammer, hoping he could jar it loose.
2. •
   To quiver or vibrate due to being shaken or struck.
3. •
   (figurative) To shock or surprise.

   • I think the accident jarred him, as he hasn’t got back in a car since.
4. •
   (figurative) To act in disagreement or opposition, to clash, to be at odds with; to interfere; to dispute, to quarrel.

   • For Orders and Degrees / Jarr not with liberty, but well consist. — 1667
5. •
   (figurative) Of the appearance, form, style, etc., of people and things: to look strangely different; to stand out awkwardly from its surroundings; to be incongruent.
6. •
   To (cause something to) give forth a rudely tremulous or quivering sound; to (cause something to) sound discordantly or harshly.

   • The clashing notes jarred on my ears.
7. •
   To preserve (food) in a jar.

   • It's important to consider the safety of jarring food. Eating food that has been spoiled because it wasn't jarred properly correctly can result in the disease botulism. — 2014
8. •
   To harm or injure by such action.

noun2

1. •
   Initialism of Java archive.
2. •
   Initialism of Jewish Autonomous Region