ride a horse

(idiomatic) to make up one’s mind, to decide

rank, place

rank, place / decimal place / ghosts

rank; grade; dignity; position; throne; crown; another (in a different place or time) / about; approximately / tolerably; passably / upper; imperial; eminent; superior; prominent; illustrious; distinguished / to count as; to be considered as; to deem as; to regard as; to treat as; to think of as; to take for

(literary) they (about women or girls)

facesitting

Kyūjitai form of 単位

(graph theory) a number of vertices in a graph; order

seat / posing of sitting / sitting sex position