tacking tacking /ˈtækɪŋ/

noun

1. (nautical) the act of changing tack  ( tack , tacking )
   (nautical) the act of changing tack
   
2. A loose temporary sewing stitch to hold layers of fabric together  ( baste , basting , basting stitch , tacking )
   a loose temporary sewing stitch to hold layers of fabric together