n.
1.the heading or position of a vessel relative to the trim of its sails
2.a short nail with a sharp point and a large head
3.gear for a horse
4.(nautical) a line (rope or chain) that regulates the angle at which a sail is set in relation to the wind
5.(nautical) the act of changing tack
6.sailing a zigzag course tack v.
1.fasten with tacks
2.turn into the wind
3.make by putting pieces together
4.sew together loosely, with large stitches
5.fix to
6.reverse (a direction, attitude, or course of action)
