Jar

The word jar has several meanings:

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• A jar is a wide-mouthed container typically made of glass or earthenware designed to hold a fluid. To jar means to put something in such a container.
• A Mason jar is a glass jar sporting a screw-on cap or wire-sprung lid.
• A Canopic jar is a clay jar used in ceremonial burial by the ancient Egyptians.
• A Leyden jar is simple capacitor—a glass jar that is coated inside and out with metal.
• To jar is to dispute.
• A jar is a sharp rattling shock or a harsh sound.
• JAR is a file format used to package Java programming language applications.
• Jar is a centre in the municipality of Bærum, Norway.
• Jarhead is slang for a United States Marine.
• Jar Jar Binks is a fictional character from the Star Wars universe.
• JAR is the jamming avoidance response, which is shown by electrical fishes