bull's-eye

from The American Heritage® Dictionary of the English Language, 4th Edition

• n. The small central circle on a target.
• n. A shot that hits this circle.
• n. A direct hit: scored a bull's-eye on the window with a snowball.
• n. The precise accomplishment of a goal or purpose: "With his overflowing style, [he] almost always hits the bull's-eye of universality” ( William Zimmer).
• n. A thick, circular piece of glass set, as in a roof or ship's deck, to admit light.
• n. A circular opening or window.
• n. A planoconvex lens used to concentrate light.
• n. A lantern or lamp having such a lens.
• n. A piece of round hard candy.

from Wiktionary, Creative Commons Attribution/Share-Alike License

• n. Alternative spelling of bull's eye.

from the GNU version of the Collaborative International Dictionary of English

• n. A small circular or oval wooden block without sheaves, having a groove around it and a hole through it, used for connecting rigging.
• n. A small round cloud, with a ruddy center, supposed by sailors to portend a storm.
• n. A small thick disk of glass inserted in a deck, roof, floor, ship's side, etc., to let in light.
• n. A circular or oval opening for air or light.
• n. A lantern, with a thick glass lens on one side for concentrating the light on any object; also, the lens itself.
• n. Aldebaran, a bright star in the eye of Taurus or the Bull.
• n. The center of a target.
• n. A thick knob or protuberance left on glass by the end of the pipe through which it was blown.
• n. A small and thick old-fashioned watch.
• n. something that exactly succeeds in achieving its goal.
• n.

from The Century Dictionary and Cyclopedia

• n. Nautical: An oval wooden block without a sheave, but with a groove around it for the band and a hole in the center through which a small stay or rope may be rove.
• n. A perforated ball on the jaw-rope of a gaff.
• n. A small obscure cloud, ruddy in the middle, supposed to portend a hurricane or storm.
• n. The hurricane or storm itself.
• n. In architecture, any circular opening for light or air; a bullock's-eye.
• n. In astronomy, Aldebaran, a star of the first magnitude in the eye of Taurus, or the Bull. See cut under Taurus.
• n. A round piece of thick glass, convex on one side, inserted into a deck, port, scuttle-hatch, or skylight-cover of a vessel for the purpose of admitting light.
• n. A small lantern with a convex lens placed in one side to concentrate the light.
• n. That part of a sheet of crown-glass which has been attached to the pontil.
• n. A planocon-vex lens in a microscope, which serves as an illuminator to concentrate rays of light upon an opaque micro-scopic object.
• n. A small and thick old-fashioned watch.
• n. In archery and gunnery The central or innermost division of a target, usually round and of a different color from the rest. See target.
• n. A shot that hits the bull's-eye; the best shot that can be made.
• n. A coarse sweet-meat; a colored or striped ball of candy.
• n. A local English name of the dunlin, Tringa alpina.
• n. In meteorology: A small cloud of ruddy aspect which off the coast of South Africa rapidly develops into a local storm.
• n. The center of a system of circular isobars, such as characterizes an extensive storm. The isobars suggest the appearance of a target with its bull's-eye.
• n. Hence— The severest part of a storm or the center of a hurricane.
• n. A fish of New South Wales, Priacanthus macracanthus.
• n. The labradorite variety of feldspar, with a dusky sheen. Also œil-de-bœuf.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• n. in target shooting: a score made by hitting the center of the target
• n. the center of a target
• n. something that exactly succeeds in achieving its goal
• n. a lantern with a single opening and a sliding panel that can be closed to conceal the light