亥の子餅 いのこもち Meanings Noun day-of-the-Boar mochi (made with new grains) See also: 亥の子の祝 (いのこのいわい). Kanji 亥 sign of the hog; 9-11PM; twelfth sign of the Chinese zodiac. Read as い. 子 child 餅 mochi. Read as もち. Jinuma: Japanese Dictionary · Word lists