I. noun
1. : a stitch made by placing the center of the fold (as of a magazine or pamphlet) across the saddle of the stitcher and driving wire staples through and clinching them on the inside — called also saddleback stitch, saddle-wire stitch
2. : an even or uneven running stitch usually set in from an edge that is used as a decorative trimming on clothing and leather articles
II. transitive verb
: to secure (as a magazine or pamphlet) with a saddle stitch