Tack

the heading or position of a vessel relative to the trim of its sails

a short nail with a sharp point and a large head

gear for a horse

(nautical) a line (rope or chain) that regulates the angle at which a sail is set in relation to the wind

(nautical) the act of changing tack

sailing a zigzag course

fasten with tacks

turn into the wind

create by putting components or members together

sew together loosely, with large stitches

fix to

reverse (a direction, attitude, or course of action)