Main Entry: ¹tack

Pronunciation: \ˈtak\

Function: verb

Etymology: Middle English takken, from tak

Date: 14th century

transitive verb 1 : attach; especially : to fasten or affix with tacks
2 : to join in a slight or hasty manner
3 a : to add as a supplement b : to add (a rider) to a parliamentary 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 beforeintransitive verb 1 a : to tack a sailing ship b of a ship : to change to an opposite tack by turning the bow to the wind c : to follow a course against the wind by a series of tacks
2 a : to follow a zigzag course b : to modify one's policy or attitude abruptly

— tack·er noun