Jisho

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Noun
1. the Boar (twelfth sign of the Chinese zodiac); the Pig
2. hour of the Boar (around 10pm, 9-11pm, or 10pm to 12 midnight)Obsolete term, See also 亥の刻
3. north-northwestObsolete term
4. tenth month of the lunar calendarObsolete term
Wikipedia definition
5. Pig (zodiac)Hai is the twelfth sign of the Earthly Branches. Its animal representation is the Pig. In Chinese culture, the pig is associated with fertility and virility. To bear children in the year of the pig is considered to be very fortunate, for they will be happy and honest.
Read “Pig (zodiac)” on English Wikipedia
Read “亥” on Japanese Wikipedia
Read “Pig (zodiac)” on DBpedia

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