1 tack | Definition of tack

tack

verb
\ ˈtak How to pronounce tack (audio) \
tacked; tacking; tacks

Definition of tack

 (Entry 1 of 4)

transitive verb

1 : attach tack on some sequins for pizzazz especially : to fasten or affix with tacks tack a notice to a pole tacking down a stairway carpet
2 : to join or add in a slight or hasty manner usually used with on or onto … the upbeat ending, tacked on to a book that cries out for a tragic one.— Julian Symons
3a : to add as a supplement or something extra usually used with on or onto tacked fees onto the priceThe Marlins tacked on five runs in the bottom of the eighth …— Buster Olney
b : to add (a rider) to a parliamentary bill provisions tacked to an appropriation bill
4 : to change the direction of (a sailing ship) when sailing close-hauled by turning the bow to the wind and shifting the sails so as to fall off on the other side at about the same angle as before

intransitive verb

1a : to tack a sailing ship We tacked repeatedly as we sailed toward the harbor.
b of a ship : to change to an opposite tack by turning the bow to the wind a ship that tacks easily
c : to follow a course against the wind by a series of tacks Boredom was the chief enemy as the ships tacked to and fro.— Nigel Calder
2a : to follow a zigzag course tacked through the crowd
b : to modify one's policy or attitude abruptly With the coming of Ronald Reagan to power, Nixon tacked hard right—an old instinct.— Sidney Blumenthal