Jar \Jar\ (j[aum]r), n. [See Ajar.]
   A turn.

   Note: [Only in phrase.]
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   On the jar, on the turn, ajar, as a door.
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Jar \Jar\, v. t.
   1. To cause a short, tremulous motion of, to cause to
      tremble, as by a sudden shock or blow; to shake; to shock;
      as, to jar the earth; to jar one's faith.
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   2. To tick; to beat; to mark or tell off. [Obs.]
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            My thoughts are minutes, and with sighs they jar
            Their watches on unto mine eyes.      --Shak.
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Jar \Jar\ (j[aum]r), n. [F. jarre, Sp. jarra, from Ar. jarrah
   ewer; cf. Pers. jarrah.]
   1. A deep, broad-mouthed vessel of earthenware or glass, for
      holding fruit, preserves, etc., or for ornamental
      purposes; as, a jar of honey; a rose jar. --Dryden.
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   2. The measure of what is contained in a jar; as, a jar of
      oil; a jar of preserves.
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   Bell jar, Leyden jar. See in the Vocabulary.
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Jar \Jar\, n.
   1. A rattling, tremulous vibration or shock; a shake; a harsh
      sound; a discord; as, the jar of a train; the jar of harsh
      sounds.
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   2. Clash of interest or opinions; collision; discord; debate;
      slight disagreement.
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            And yet his peace is but continual jar. --Spenser.
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            Cease, cease these jars, and rest your minds in
            peace.                                --Shak.
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   3. A regular vibration, as of a pendulum.
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            I love thee not a jar of the clock.   --Shak.
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   4. pl. In deep well boring, a device resembling two long
      chain links, for connecting a percussion drill to the rod
      or rope which works it, so that the drill is driven down
      by impact and is jerked loose when jammed.
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Jar \Jar\, v. i. [imp. & p. p. Jarred; p. pr. & vb. n.
   Jarring.] [Cf. OE. charken to creak, AS. cearcian to gnash,
   F. jars a gander, L. garrire to chatter, prate, OHG. kerran
   to chatter, croak, G. quarren to grumble, and E. jargon,
   ajar.]
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   1. To give forth a rudely quivering or tremulous sound; to
      sound harshly or discordantly; as, the notes jarred on my
      ears.
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            When such strings jar, what hope of harmony ?
                                                  --Shak.
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            A string may jar in the best master's hand.
                                                  --Roscommon.
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   2. To act in opposition or disagreement; to clash; to
      interfere; to quarrel; to dispute.
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            When those renowned noble peers Greece
            Through stubborn pride among themselves did jar.
                                                  --Spenser.
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            For orders and degrees
            Jar not with liberty, but well consist. --Milton.
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JAR
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