Definition of Tack

1. Noun. The heading or position of a vessel relative to the trim of its sails.

Generic synonyms: Aim, Bearing, Heading

2. Verb. Fasten with tacks. "Tack the notice on the board"
Generic synonyms: Fasten, Fix, Secure
Specialized synonyms: Thumbtack
Also: Tack On
Derivative terms: Tacker, Tacker, Tacker

3. Noun. A short nail with a sharp point and a large head.
Specialized synonyms: Carpet Tack, Drawing Pin, Pushpin, Thumbtack, Tintack
Generic synonyms: Nail

4. Verb. Turn into the wind. "The boat tacked"
Exact synonyms: Wear Round
Category relationships: Navigation, Pilotage, Piloting, Boat
Generic synonyms: Sail
Derivative terms: Tacking

5. Noun. Gear for a horse.

6. Verb. Create by putting components or members together. "They set up a committee"

7. Noun. (nautical) a line (rope or chain) that regulates the angle at which a sail is set in relation to the wind.
Exact synonyms: Mainsheet, Sheet, Shroud, Weather Sheet
Category relationships: Navigation, Sailing, Seafaring
Specialized synonyms: Futtock Shroud
Generic synonyms: Line
Group relationships: Ship

8. Verb. Sew together loosely, with large stitches. "Baste a hem"
Exact synonyms: Baste
Generic synonyms: Run Up, Sew, Sew Together, Stitch
Derivative terms: Baste, Tacker

9. Noun. (nautical) the act of changing tack.
Exact synonyms: Tacking
Category relationships: Navigation, Sailing, Seafaring
Generic synonyms: Change Of Course

10. Verb. Fix to; attach. "Append a charm to the necklace"
Exact synonyms: Append, Hang On, Tack On, Tag On
Generic synonyms: Attach
Specialized synonyms: Subjoin
Derivative terms: Appendage

11. Noun. Sailing a zigzag course.
Generic synonyms: Sailing

12. Verb. Reverse (a direction, attitude, or course of action).
Exact synonyms: Alternate, Flip, Flip-flop, Interchange, Switch
Generic synonyms: Change By Reversal, Reverse, Turn
Derivative terms: Flip-flop, Switch, Switch

Definition of Tack

1. n. A stain; a tache.

2. n. A small, short, sharp-pointed nail, usually having a broad, flat head.

3. v. t. To fasten or attach.

4. v. i. To change the direction of a vessel by shifting the position of the helm and sails; also (as said of a vessel), to have her direction changed through the shifting of the helm and sails. See Tack, v. t., 4.

Definition of Tack

1. Noun. (carpentry) A small nail with a flat head. ¹

2. Noun. A small, sharp, nail-like object used especially to affix thin items to thicker ones, but not heavily used in carpentry. ¹

3. Noun. (sewing) A loose seam used to temporarily fasten pieces of cloth. ¹

4. Noun. (nautical) The lower corner on the leading edge of a sail relative to the direction of the wind. ¹

5. Noun. (nautical) A course or heading that enables a sailing vessel to head upwind. See also reach, gybe. ¹

6. Noun. A direction or course of action, especially a new one. ¹

7. Noun. (nautical) The maneuver by which a sailing vessel turns its bow through the wind so that the wind changes from one side to the other. ¹

8. Noun. (nautical) The distance a sailing vessel runs between these maneuvers when working to windward; a board. ¹

9. Noun. Any of the various equipment and accessories worn by horses in the course of their use as domesticated animals. Saddles, stirrups, bridles, halters, reins, bits, harnesses, martingales, and breastplates are all forms of horse '''tack'''. ¹

10. Noun. (chemistry) The stickiness of a compound, related to its cohesive and adhesive properties. ¹

11. Verb. To nail with a '''tack''' (small nail with a flat head). ¹

12. Verb. To sew/stich with a '''tack''' (loose seam used to temporarily fasten pieces of cloth). ¹

13. Verb. (nautical) To maneuver a sailing vessel so that its bow turns through the wind, i.e. the wind changes from one side of the vessel to the other. ¹

14. Verb. To add something as an extra item. ¹

15. Verb. Often with "up"", to place the tack on a horse. ¹

¹ Source:

Definition of Tack

1. to fasten with tacks (short, sharp-pointed nails) [v -ED, -ING, -S]

Lexicographical Neighbors of Tack

tacit consent
tack (current term)
tack claw
tack hammer
tack on
tack together
tack up
tacked up

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