plural of ring gag

(BDSM) A gag with a hollow ring that holds the mouth open.

plural of ring chart

a vaginal or intravaginal ring that releases hormones for the purpose of contraception

A multilevel pie chart that uses concentric circles to visualize hierarchical data.

plural of diamond ring

The ring on a cannon next behind the muzzle ring.

(textiles) A machine for spinning, in which the twist, given to the yarn by a revolving bobbin, is regulated by the drag of a small metal loop which slides around a ring encircling the bobbin, instead of by a throstle.

A ring for fastening a scythe blade to the snath.

A lady's ring, worn on the hand, comprising a band of precious metal (usually gold) set with a continuous line of identically cut gemstones (usually diamonds) to symbolize never-ending love, usually given by a husband to his wife on a significant anniversary.