jar -- (a vessel (usually cylindrical) with a wide mouth and without handles)
jar, jarful -- (the quantity contained in a jar; "he drank a jar of beer")
jolt, jar, jounce, shock -- (a sudden jarring impact; "the door closed with a jolt"; "all the jars and jolts were smoothed out by the shock absorbers")
Overview of verb jar
The verb jar has 5 senses
clash, jar, collide -- (be incompatible; be or come into conflict; "These colors clash")
jolt, jar -- (move or cause to move with a sudden jerky motion)
jar, shake up, bump around -- (shock physically; "Georgia was shaken up in the Tech game")
jar -- (affect in a disagreeable way; "This play jarred the audience")
jar -- (place in a cylindrical vessel; "jar the jam")