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Every definition entry from the 2025–2028 Racing Rules of Sailing. Search, then click a word to choose the official definition or a relevant example.
AbandonCancelled race; resailing remains possible.
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Clear Astern and Clear Ahead; OverlapCompare boats against the transverse stern line.
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CommitteeRace, protest or technical officials.
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Conflict of InterestInterests that could compromise impartial decisions.
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Continuing ObstructionExtended obstacle; check length and exclusions.
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FetchingAble to pass correctly without tacking.
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FinishHull crosses correctly; exceptions still matter.
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Keep ClearAllow sailing and, when overlapped, turning.
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Leeward and WindwardIdentify sides, then overlapped boat positions.
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MarkCourse objects, including specified committee vessels.
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Mark-RoomSpace to approach, pass and leave astern.
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ObstructionObjects or designated hazards restricting passage.
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OverlapSee the clear-ahead and clear-astern definition.
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PartyPeople or bodies participating in hearings.
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PostponeDelay before starting; not cancellation.
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Proper CourseFastest chosen route without specified other boats.
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ProtestFormal allegation that a rule was broken.
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RacingFrom preparation until the defined stopping conditions.
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RoomNecessary space for prompt, competent manoeuvres.
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RuleIncludes governing regulations and event documents.
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Sail the CourseStart, satisfy the track test, finish.
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StartHull crosses after meeting pre-start requirements.
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Support PersonIncludes coaches, helpers, parents and guardians.
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Tack, Starboard or PortNamed for the boat’s windward side.
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WindwardSee Leeward and Windward.
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ZoneMark area measured using the nearer hull.
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The short prompts help you find a term; read the linked official wording to decide a case. The Zone definition is modified to two hull lengths for team racing under Appendix D. Updated 11 October 2026.