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| Off Wing |
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A wing who is on the side opposite that on which he usually plays, or shoots from the "wrong side" for his position; e.g., a left wing stationed on the right wing or a right-handed shooter playing left wing.
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| Official Scorer |
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An official who keeps a record of the game, including goals scored and the time of each score, players credited with goals and assists, and substitutions.
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| Officials |
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There are as many as eight officials working a hockey game: one referee and two linesmen, known as on-ice officials, plus two goal judges, a game timekeeper, a penalty time keeper, and an official scorer, who are known as off-ice officials.
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| Offside |
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A violation committed when a player is already in the attacking zone, with both skates entirely across the blue line, when the puck crosses the blue line into that zone. Play stops and a faceoff is held in the neutral zone. Also offsides. See also delayed offside; two-line pass.
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| Offsides |
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A violation which occurs when both skates of an attacking player cross the opponent’s blue line preceding the puck into the attacking zone or when a pass crosses more than one line without being touched (two-line pass); this is one of the most common calls made in a hockey game.
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| On the Road |
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When an NHL team plays games away from its home arena.
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| On-the-Fly |
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Making player changes or substitutions while play is under way.
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| One Man Back |
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Descriptive of the situation in which a team has only one defenseman between the goaltender and the attackers, usually because the other defenseman has been caught up ice.
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| One-Timer |
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A shot on which a the puck is fired as soon as the player receives it, without stopping it.
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| Open Ice |
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That part of the ice that is free of opponents.
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| Overtime |
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An extra period of play to break a tie. In most amateur hockey, there is one 10-minute sudden-death overtime period, followed by a penalty shootout if the score remains tied. In its regular season, the National Hockey League plays only one 5-minute sudden-death overtime, with the game concluding as a tie if there is no score. During the Stanley Cup playoffs, the NHL plays successive 20-minute sudden-death overtimes until a goal is scored. See penalty shootout; sudden-death overtime.
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