a type of military boat used between the Warring States Period and the Edo Era

(historical) a mountain checkpoint west of Kyoto, bordering the ancient provinces of Yamashiro and Omi

Shanhai Pass

Synonym of 関東 (Kantō): the area east of 逢坂の関 (Ōsaka-no-seki, “tollgate of Ōsaka-yama”) or the 函谷関 (Kankoku-kan, “Hangu Pass”)

the lock and key for a gate

to close and lock a gate

a cloud (visible mass of water droplets or other related material suspended in the air) / something spreading over like clouds in the sky / something clouded, foggy, or gloomy / the sky, heavens

蜘蛛海星, 蜘蛛人手, 蛇尾: a brittle star

true account

a brittle star