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.)

A ringneck dove.

(intransitive, telephony, Britain) to disconnect at the end of a phone call

A component of an electromechanical device, which, in combination with brushes, provides a continuous electrical connection between stationary and rotating conductors.

(professional wrestling, slang) A promiscuous person, often a young female, who attends professional wrestling events primarily to seek sexual liaisons with wrestlers and other performers.

(nautical) A fitting on the boom of a yacht to take the main sheet when roller reefing is used.

(transitive, idiomatic) To telephone; to call someone on the telephone. / (transitive) To enter (a payment) into a cash register, or till in a shop, or record a credit- or debit-card payment.

(folklore) A place where fairies congregate in a ring, particularly in order to dance. / (mycology, botany) A ring of fungi marking the periphery of the perennial underground growth of the mycelium.

(astronomy) a ring of dust, moonlets and other matter that orbits a planet (such as Saturn) as a flat disc; gaps in the ring are due to the presence of shepherd moons

A round piece of metal worn around the toe.