6. (Geom.) (a) The plane figure included between the circumferences of two concentric circles. (b)
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. (Astron. & Navigation) 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.
8. (Bot.) An elastic band partly or wholly encircling the spore cases of ferns. See Illust. of Sporangium.
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.
Ring blackbird (Zoöl.), the ring ousel. Ring canal (Zoöl.), the circular water tube which surrounds
the esophagus of echinoderms. Ring dotterel, or Ringed dotterel. (Zoöl.) See Dotterel, and Illust.
of Pressiroster. Ring dropper, a sharper who pretends to have found a ring and tries to induce
another to buy it as valuable, it being worthless. Ring fence. See under Fence. Ring finger,
the third finger of the left hand, or the next the little finger, on which the ring is placed in marriage.
Ring formula (Chem.), a graphic formula in the shape of a closed ring, as in the case of benzene,
pyridine, etc. See Illust. under Benzene. Ring mail, a kind of mail made of small steel rings sewed
upon a garment of leather or of cloth. Ring micrometer. (Astron.) See Circular micrometer, under
Micrometer. Saturn's rings. See Saturn. Ring ousel. (Zoöl.) See Ousel. Ring parrot
(Zoöl.), any one of several species of Old World parrakeets having a red ring around the neck, especially
Palæornis torquatus, common in India, and P. Alexandri of Java. Ring plover. (Zoöl.) (a) The ringed
dotterel. (b) Any one of several small American plovers having a dark ring around the neck, as the
semipalmated plover Ring snake (Zoöl.), a small harmless American snake (Diadophis punctatus)
having a white ring around the neck. The back is ash-colored, or sage green, the belly of an orange
red. Ring stopper. (Naut.) See under Stopper. Ring thrush (Zoöl.), the ring ousel. The
prize ring, the ring in which prize fighters contend; prize fighters, collectively. The ring. (a) The
body of sporting men who bet on horse races. [Eng.] (b) The prize ring.
(Ring), v. t. [imp. & p. p. Ringed ; p. pr. & vb. n. Ringing.]
1. To surround with a ring, or as with a ring; to encircle. "Ring these fingers." Shak.
2. (Hort.) To make a ring around by cutting away the bark; to girdle; as, to ring branches or roots.
3. To fit with a ring or with rings, as the fingers, or a swine's snout.
(Ring), v. i. (Falconry) To rise in the air spirally.
(Ring"bill`) n. (Zoöl.) The ring-necked scaup duck; called also ring-billed blackhead. See
(Ring"bird`) n. (Zoöl.) The reed bunting. It has a collar of white feathers. Called also ring
(Ring"bolt`) n. An eyebolt having a ring through the eye.
(Ring"bone`) n. (Far.) A morbid growth or deposit of bony matter between or on the small
pastern and the great pastern bones. J. H. Walsh.