mon

/M OW1 N/
noun
  1. 1

    The former currency of Japan until 1870, before the yen.

  2. 2

    The badge or emblem a Japanese family, especially a family of the ancient feudal nobility; typically circular and consists of conventionalized forms from nature.

noun
  1. 1

    (used in the vocative) A colloquial means of address of man in places such as Jamaica and Shropshire in England.

noun
  1. 1

    A creature in a video game, usually one which is captured, trained up and used in battles.

  2. 2

    A video game or anime in which catching and battling creatures is an important element.

Source: https://en.wiktionary.org/wiki/mon