TACK (4)

Tack, v. i. (Naut.) To change the direction of a vessel by shifting the position of the helm and sails; also (as said of a vessel), to have her direction changed through the shifting of the helm and sails. See Tack, v. t., 4. Monk, . . . when he wanted his ship to tack to larboard, moved the mirth of his crew by calling out, “Wheel to the left.” Macaulay.