standing sex position

spoons position

rank; place

Kyūjitai form of 単位

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

third rank or place

third rank / of person of the third rank / a low ranking priest / a Christian doctrine in which the Father, Son, and Holy Spirit are one; the trinity

missionary position

doggy style

the first or foremost place, first rank / (mathematics) a digit in the ones, 'unidigit' / (historical) the first-in-rank in the Japanese medieval court