2. Specifically, a circular ornament of gold or other precious material worn on the finger, or attached to the ear, the nose, or some other part of the person; as, a wedding ring. Upon his thumb he had of gold a ring. (Chaucer) The dearest ring in Venice will I give you. (Shak)
6. (Science: geometry) The plane figure included between the circumferences of two concentric circles. The solid generated by the revolution of a circle, or other figure, about an exterior straight line (as an axis) lying in the same plane as the circle or other figure.
7. (Science: astronomy) An instrument, formerly used for taking the sun's altitude, consisting of a brass ring suspended by a swivel, with a hole at one side through which a solar ray entering indicated the altitude on the graduated inner surface opposite.
9. A clique; an exclusive combination of persons for a selfish purpose, as to control the market, distribute offices, obtain contracts, etc. The ruling ring at Constantinople. (E. A. Freeman) Ring armor, armor composed of rings of metal. See Ring mail, below, and chain mail, under Chain.
(Science: chemistry) Ring blackbird, a graphic formula in the shape of a closed ring, as in the case of benzene, pyridine, etc. Ring mail, a kind of mail made of small steel rings sewed upon a garment of leather or of cloth. Ring micrometer.
Origin: AS. Hring, hrinc; akin to Fries. Hring, D. & G. Ring, OHG. Ring, hring, Icel. Hringr, DAn. & SW. Ring; cf. Russ. Krug'. Cf. Harangue, Rank a row,Rink.
1. To surround with a ring, or as with a ring; to encircle. Ring these fingers.
Origin: Ringed; Ringing.