tack

A small nail with a flat head.

A thumbtack.

A loose seam used to temporarily fasten pieces of cloth.

The lower corner on the leading edge of a sail relative to the direction of the wind.

A course or heading that enables a sailing vessel to head upwind.

A direction or course of action, especially a new one; a method or approach to solving a problem.

The maneuver by which a sailing vessel turns its bow through the wind so that the wind changes from one side to the other.

The distance a sailing vessel runs between these maneuvers when working to windward; a board.

A rope used to hold in place the foremost lower corners of the courses when the vessel is close-hauled; also, a rope employed to pull the lower corner of a studding sail to the boom.

Any of the various equipment and accessories worn by horses in the course of their use as domesticated animals.

The stickiness of a compound, related to its cohesive and adhesive properties.

Food generally; fare, especially of the hard bread or breadlike kind.

That which is attached; a supplement; an appendix.

Confidence; reliance.

A stain; a tache.

A peculiar flavour or taint.

That which is tacky; something cheap and gaudy.

A contract by which the use of a thing is set, or let, for hire; a lease.

To nail (something) with a tack (small nail with a flat head).

To sew/stitch with a tack (loose seam used to temporarily fasten pieces of cloth).

To weld with initial small welds to temporarily fasten in preparation for full welding.

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.

To sail to windward using a series of alternate tacks across the wind.

To add something as an extra item.

Synonym of tack up (“to prepare a horse for riding by equipping it with a tack”).

To join in wedlock.