overcasting (Noun) — A long whipstitch or overhand stitch overlying an edge to prevent ravelling.
overcasting (Verb) — Make cloudy. ex. "Fall weather often overcasts our beaches"
overcasting (Verb) — Sew over the edge of with long slanting wide stitches.
overcasting (Verb) — Sew with an overcast stitch from one section to the next. ex. "overcast books"