Definition of: overcast

(ō′vər·kast′, -käst′, ō′vər·kast′,
—käst′) v. ·cast, ·cast·ing v.t.
1. To overcloud; darken.
2. To sew, as the edge of a fabric, with long wrapping stitches so as to prevent raveling.
—adjective
1. Clouded, as the sky.
2. Sewn with a blanket stitch.
—noun Meteorol. A cloud or clouds covering more than nine tenths of the sky.