小指(こゆび)little finger, pinky, little toe

小指(こゆび)は一番(いちばん)細(ほそ)いです。

The pinky finger is the thinnest. {little finger, pinky, little toe}

ピンキーリングを小指(こゆび)に付(つ)ける。

To put the pinky ring on the little finger. {little finger, pinky, little toe}

友達(ともだち)と小指(こゆび)で指切(ゆびき)りをしました。

I made a pinky promise with my friend. {little finger, pinky, little toe}

小指(こゆび)は妻(つま)や愛人(あいじん)などの意(い)を示(しめ)す事(こと)があるのだとか。

It is said that the little finger can represent meanings such as a wife or a lover. {little finger, pinky, little toe}

彼(かれ)が立(た)てた小指(こゆび)は恋人(こいびと)という意味(いみ)だろうか、それとも愛人(あいじん)だろうか…。

Does his raised pinky finger mean he is indicating a lover, or perhaps a mistress...? {little finger, pinky, little toe}