a crescent moon on the third day of a lunar month, especially on the eighth lunar month / (by extension) Short for 三日月形 (mikazuki-gata): a crescent moon in general

kill two birds with one stone, do one task and finish two or more goals (literally, “one stone, two birds”)

(obsolete) being surprised twice / (obsolete) more specifically, describes the appearance of a woman who has a beautiful figure from behind but has an ugly face

(grammar) a verbal conjugation class in which the verb stem ends in -i and consists of four alternating bases: -i, -iru, -ire, and -iyo/-iro

(idiomatic, proverb) be quick on the uptake, understand the whole situation from just a few clues

Alternative form of 十二単

a journey of a thousand miles begins with a single step

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