tack (redirected from wear round)

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

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tack²

a. riding harness for horses, such as saddles, bridles, etc.

b. (as modifier): the tack room

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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).