#1 jar n. a vessel (usually cylindrical) with a wide mouth and without handles. wn
#2 jar v. [clash, collide] be incompatible; be or come into conflict; "These colors clash". wn
#3 jar v. [jolt] move or cause to move with a sudden jerky motion. wn
#4 jar n. [jarful] the quantity contained in a jar; "he drank a jar of beer". wn
#5 jar n. [jolt, jounce, shock] a sudden jarring impact; "the door closed with a jolt"; "all the jars and jolts were smoothed out by the shock absorbers". wn
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