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.(noun)
source: webster1913
A rattling, tremulous vibration or shock; a shake; a harsh sound; a discord; as, the jar of a train; the jar of harsh sounds.(noun)
source: webster1913
verb (v)
be incompatible; be or come into conflict(verb.stative)
To give forth a rudely quivering or tremulous sound; to sound harshly or discordantly; as, the notes jarred on my ears.(verb)
source: webster1913
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.(verb)