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.

plural of eternity ring

plural of Claddagh ring

(especially (Britain)) a spanner with a ring-shaped jaw with internal serrations which grip onto a nut or bolt.

plural of ring spanner

A device composed of an odd number of NOT gates whose output oscillates between two voltage levels, representing true and false. The NOT gates, or inverters, are attached in a chain; the output of the last inverter is fed back into the first.

A cylindrical ring of a thermally stable material, often steel, whose inside diameter is finished to gauge tolerance and is used for checking the external diameter of a cylindrical object.

A chromosome whose arms have fused together to form a ring.

A circle with a line at a tangent to it, represented in hieroglyphs as a stylized loop of rope, representing eternal protection.