tack1
¦ noun
1. a small, sharp broad-headed nail.
N. Amer. a drawing pin.
2. a long stitch used to fasten fabrics together temporarily, prior to permanent sewing.
3. a course of action: there is no reason for them to change tack now.
4. Sailing an act of tacking.
a boat's course relative to the direction of the wind.
5. Sailing a rope for securing the corner of certain sails.
the corner to which such a rope is fastened.
6. the quality of being sticky.
¦ verb
1. fasten or fix with tacks or with temporary long stitches.
2. (tack something on) add something to something already existing.
3. Sailing change course by turning a boat's head into and through the wind.
make a series of such changes of course while sailing.
Derivatives
tacker noun
Origin
ME: prob. related to OFr. tache 'clasp, large nail'.
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tack2
¦ noun equipment used in horse riding, including the saddle and bridle.
Origin
C18 (in the sense 'apparatus, equipment'): contr. of
tackle.
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tack3
¦ noun informal cheap, shoddy, or tasteless material.
Origin
1980s: back-form. from
tacky2.