cover with clouds or shade
the pebbled beach, overcast with the shadows of the high cliffs
stitch over (a raw edge) to prevent fraying
finish off the raw edge of the hem by overcasting it
(of the sky or weather) marked by a covering of grey cloud; dull
a chilly, overcast day
(of the edge of a piece of fabric) sewn with long slanting stitches to prevent fraying
cloud covering a large part of the sky
the planes found the target obscured by overcast