gyrobifastigium

Kyūjitai form of 異相双三角柱: gyrobifastigium

neighbors who you socialize familiarly with on a daily basis

one for all, all for one

Kyūjitai form of 大二十面半十二面体: great icosihemidodecahedron

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

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