Overcast /(ō`vẽr*kȧst")/

O·ver·cast

Overcast

v. t.
  1. To cast or cover over; hence, to cloud; to darken.
    Those clouds that overcast your morn shall fly.
  2. To compute or rate too high.
  3. To take long, loose stitches over (the raw edges of a seam) to prevent raveling. (Sewing)
  4. To fasten, as single sheets, by overcast stitching or by folding one edge over another. (Bookbinding)

overcast

a.
  1. Completely or almost completely covered over with clouds; -- of the sky. (Meteorology)
  2. Sewn by overcasting. (Sewing)