tack.
(Of theceltolat.)* virare; cf.Welsh(gwyro, deviate, lean towards one side).
1. tr. In photography, replace the silver salt of paper impressed by another more stable salt or that produces a given color.
2. tr. Mar. Change of direction or embroidered, from an amura to another, so that the wind which gave the ship a side given by the opposite. U t. c. Foreword
