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  2. Glossary of nautical terms (A–L) - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_nautical_terms...

    To change the course of a ship by tacking. "Ready about" is the order to prepare for tacking. [8] above board On or above the deck; in plain view; not hiding anything. Pirates would often hide their crews below decks, thereby creating the false impression that an encounter with another ship was a casual matter of chance rather than a planned ...

  3. List of ship directions - Wikipedia

    en.wikipedia.org/wiki/List_of_ship_directions

    Leeward: side or direction away from the wind (opposite of "windward"). [16] On deck: to an outside or muster deck (as "all hands on deck"). [17] On board: on, onto, or within the ship [18] Onboard: somewhere on or in the ship. [19] Outboard: attached outside the ship. [20] Port: the left side of the ship, when facing forward (opposite of ...

  4. Change of direction - Wikipedia

    en.wikipedia.org/wiki/Change_of_direction

    Change of direction (COD) is any activity that involves a rapid whole-body movement with a pre-planned change of velocity or direction. In elite sports , the speed at which an athlete can do a change of direction is especially valuable in court and field sports.

  5. Glossary of physics - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_physics

    The change in direction of a wave as it passes from one transmission medium to another or as a result of a gradual change in the medium. Though most commonly used in the context of refraction of light , other waves such as sound waves and fluid waves also experience refraction.

  6. Glossary of road transport terms - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_road_transport...

    See three-way junction 5-1-1 A transportation and traffic information telephone hotline in some regions of the United States and Canada that was initially designated for road weather information. A Access road See frontage road Advisory speed limit A speed recommendation by a governing body. All-way stop or four-way stop An intersection system where traffic approaching it from all directions ...

  7. Navigation - Wikipedia

    en.wikipedia.org/wiki/Navigation

    In navigation, a rhumb line (or loxodrome) is a line crossing all meridians of longitude at the same angle, i.e. a path derived from a defined initial bearing. That is, upon taking an initial bearing, one proceeds along the same bearing, without changing the direction as measured relative to true or magnetic north.

  8. Windward and leeward - Wikipedia

    en.wikipedia.org/wiki/Windward_and_leeward

    In geography and seamanship, windward (/ ˈ w ɪ n d w ər d, ˈ w ɪ n ər d /) and leeward (/ ˈ l iː w ər d, ˈ lj uː ər d /) are directions relative to the wind. Windward is upwind from the point of reference, i.e., towards the direction from which the wind is coming; leeward is downwind from the point of reference, i.e., along the ...

  9. Motion - Wikipedia

    en.wikipedia.org/wiki/Motion

    A car is moving in high speed during a championship, with respect to the ground the position is changing according to time hence the car is in relative motion . In physics, motion is when an object changes its position with respect to a reference point in a given time.