0 a round piece of jewellery that you wear on your finger -- 指輪
a wedding ring
3 an area with seats around it where people perform or compete -- (ボクシングやサーカスなどの)リング
a boxing ring
4 to call someone on the phone -- ~に電話する, 電話をかける
5 If something rings, it makes the sound of a bell, and if you ring a bell, you cause it to make a sound. -- (鈴やベルなどが)鳴る, ~を鳴らす
The phone’s ringing.