Webster's Online Dictionary
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Definition: BULL'S-EYE

Part of SpeechDefinition
Noun1. A lantern with a single opening and a sliding panel that can be closed to conceal the light.[Wordnet]
2. A small circular or oval wooden block without sheaves, having a groove around it and a hole through it, used for connecting rigging.[Websters]
3. A small round cloud, with a ruddy center, supposed by sailors to portend a storm.[Websters]
4. A small thick disk of glass inserted in a deck, roof, floor, ship's side, etc., to let in light.[Websters]
5. A circular or oval opening for air or light.[Websters]
6. A lantern, with a thick glass lens on one side for concentrating the light on any object; also, the lens itself.[Websters]
7. Aldebaran, a bright star in the eye of Taurus or the Bull.[Websters]
8. The center of a target.[Websters]
9. A thick knob or protuberance left on glass by the end of the pipe through which it was blown.[Websters]
10. A small and thick old-fashioned watch.[Websters].
Adjective1. Being punctilious. [Eve - graph theoretic]
2. Being perfect. [Eve - graph theoretic]
3. Being exact.[Eve - graph theoretic]

Sources: compiled from various sources, (under license) copyright 2008. Webster's Revised Unabridged Dictionary, WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.

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Date "BULL'S-EYE" was first used in popular English literature: sometime before 1888. (references)

Common Expressions: BULL'S-EYE

ExpressionsDefinition
Bull's-eye condenserA lens of short focal distance used for concentrating rays of light. Source: Webster's Revised Unabridged Dictionary.

Source: compiled by the editor from various references; see credits.

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Specialty Expressions: BULL'S-EYE

ExpressionsDomainDefinition
Bull's-eye tuyereMiningA tuyere discharging in the center of a hemispherical plate. (references)

Source: compiled by the editor from various references; see credits.

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