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Tack |
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tack1
1. a short sharp-pointed nail, usually with a flat and comparatively large head 2. Nautical the heading of a vessel sailing to windward, stated in terms of the side of the sail against which the wind is pressing 3. Nautical a. a course sailed by a sailing vessel with the wind blowing from forward of the beam b. one such course or a zigzag pattern of such courses 4. Nautical a. a sheet for controlling the weather clew of a course b. the weather clew itself 5. Nautical the forward lower clew of a fore-and-aft sail tack2 a. riding harness for horses, such as saddles, bridles, etc. b. (as modifier): the tack room tack [tak] (design engineering) A small, sharp-pointed nail with a broad flat head. (materials) Adhesive stickiness, such as occurs on the surface of a varnish or ink that has not completely dried. Also known as tackiness. (navigation) To change the course of a sailing vessel by coming about so as to take the wind from over the opposite bow (starboard or port). tack 1. A strip of metal, usually lead or copper, used as a clip to secure the edges of metal items in roof construction, such as flashings. 2. A short, sharp-pointed nail. 3. The property of an adhesive that enables it to form a bond of measurable strength immediately after the adhesive and adherend are brought into contact under low pressure. 4. To glue, weld, or otherwise fasten in spots rather than in a continuous line. Tack (Russian, gals; from Dutch hals). (1) The course of a vessel with respect to the wind (for example, a vessel is moving on a starboard tack when the wind is blowing toward the starboard side of a vessel). (2) The segment of a vessel’s course from turn to turn while maneuvering under sail, carrying out measuring operations, sweeping mines, fishing, and so on. (3) A rope securing the lower windward corner of the sail (the tack corner) to a mast. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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