tacking
 緊釘; 起脊; 定位焊; 定位鉚
 Tack v. t. [imp. & p. p. Tacked p. pr. & vb. n. Tacking.]
 1. To fasten or attach. “In hopes of getting some commendam tacked to their sees.”
    And tacks the center to the sphere.   --Herbert.
 2. Especially, to attach or secure in a slight or hasty manner, as by stitching or nailing; as, to tack together the sheets of a book; to tack one piece of cloth to another; to tack on a board or shingle; to tack one piece of metal to another by drops of solder.
 3. In parliamentary usage, to add (a supplement) to a bill; to append; -- often with on or to; as, to tack on a non-germane appropriation to a bill.
 4. Naut. To change the direction of (a vessel) when sailing closehauled, by putting the helm alee and shifting the tacks and sails so that she will proceed to windward nearly at right angles to her former course.
 Note: ☞ In tacking, a vessel is brought to point at first directly to windward, and then so that the wind will blow against the other side.
 Tack·ing, n. Law A union of securities given at different times, all of which must be redeemed before an intermediate purchaser can interpose his claim.
 Note: ☞ The doctrine of tacking is not recognized in American law.
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 tacking
      n 1: loose temporary stitches [syn: baste, basting]
      2: (nautical) the act of changing tack [syn: tack]