ring finger

Noun

Finger between middle finger and little finger; the "third finger" (UK) or the "fourth finger" (US), especially of the left hand. (The ring finger is the left hand; a ring finger is either hand.)

Japanese Meaning

薬指 – 中指と小指の間に位置する指。通常、左手の指として認知されるが、左右いずれでも使用される場合がある。

What is this buttons?

She wore a simple gold band on her ring finger.

Google Translation / DeepL Translation

彼女は薬指にシンプルな金の指輪をはめていた。

Details

Sense（1）

Finger between middle finger and little finger; the "third finger" (UK) or the "fourth finger" (US), especially of the left hand. (The ring finger is the left hand; a ring finger is either hand.)