JMdict entry #1575920

1. noun (common) (futsuumeishi) the Boar (twelfth sign of the Chinese zodiac); the Pig
2. noun (common) (futsuumeishi) obsolete term hour of the Boar (around 10pm, 9-11pm, or 10pm to 12 midnight)
   see: 亥の刻
3. noun (common) (futsuumeishi) obsolete term north-northwest
4. noun (common) (futsuumeishi) obsolete term tenth month of the lunar calendar