tack
     n 1: the heading or position of a vessel relative to the trim of
          its sails
     2: a short nail with a sharp point and a large head
     3: gear for a horse [syn: {stable gear}, {saddlery}]
     4: (nautical) a line (rope or chain) that regulates the angle
        at which a sail is set in relation to the wind [syn: {sheet},
         {mainsheet}, {weather sheet}, {shroud}]
     5: (nautical) the act of changing tack [syn: {tacking}]
     6: sailing a zigzag course
     v 1: fasten with tacks; "tack the notice on the board"
     2: turn into the wind; "The sailors decided to tack the boat";
        "The boat tacked" [syn: {wear round}]
     3: make by putting pieces together; "She pieced a quilt"; "He
        tacked together some verses" [syn: {assemble}, {piece}, {put
        together}, {set up}, {tack together}] [ant: {disassemble}]
     4: sew together loosely, with large stitches; "baste a hem"
        [syn: {baste}]
     5: fix to; attach; "append a charm to the necklace" [syn: {append},
         {tag on}, {tack on}, {hang on}]
     6: reverse (a direction, attitude, or course of action) [syn: {interchange},
         {switch}, {alternate}, {flip}, {flip-flop}]
Source: WordNet® 2.0