Short for 日曜日 (nichiyōbi): Sunday

ordinal day of a month / number of days

one for all, all for one

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

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

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

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

polyandry (plurality of husbands at the same time)

first discoverer (used especially in reference to the discovery of a dead body)

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