#opening_of_jar_or_bottle__mouth  the opening of a jar or bottle; "the jar had a wide mouth"
  supertype:  opening.artifact  a vacant or unobstructed space; "they left a small opening for the cat at the bottom of the door"
  part of:  bottle  glass or plastic vessel; cylindrical with a narrow neck; no handle
  part of:  jar  a vessel (usually cylindrical) with a wide mouth and without handles

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