Jar

A jar is small, approximately cylindrical container for food, made of glass or clay, and also plastic as in the case of a "jar" of peanut butter.Jar or JAR can also mean:

• Containers:
• Mason jar, a jar used to preserve various foods (eg fruit, jam, vegetables)
• Kilner jar, another type of jar for storing foods
• Mayonnaise jar, a mason jar especially made for mayonnaise
• Canopic jar, used in ancient Egyptian burial
• Leyden jar, a simple capacitor
• Killing jar, a device used by entomologists to kill captured insects
• Jar, an obsolete unit of capacitance once used by the Royal Navy
• J.A.R., a song by Green Day
• JAR (file format)
• JAR (software), for data compression
• Jar, Azerbaijan, in the Zaqatala rayon
• Jar, Norway, a centre in the municipality of Bærum
• Jar (Pakistan), a town in the Federally Administered Tribal Areas' Bajaur Agency.
• Jars, Cher, in the French département of Cher
• Jars of Clay, a musical group
• Jewish Autonomous Region of Russia
• Joint Aviation Requirements issued by Europe's Joint Aviation Authorities
• James A. Rhodes Arena
• Jose Antonio Reyes, a Spanish professional footballer