an anthology of one hundred poems by one hundred poets, one poet for each poem

short for 小倉百人一首 (Ogura Hyakunin Isshu): a famous "one hundred poems anthology", used as the basis of certain card games

Synonym of 亜酸化窒素 (asanka chisso, “nitrous oxide”); dinitrogen monoxide

Clipping of 一千一夜物語 (Issen'ichiya Monogatari, “One Thousand and One Nights”).

thirty-first day of the month

twenty-first day of the month

polyandry (plurality of husbands at the same time)

the Tokyo metropolitan region; the area surrounding and including the capital of Japan in Eastern Tokyo

(zoology) polyandry

three days ago