What is the origin of 'sleep tight'?
Read moreOne of the mysteries of the English language finally explained.
1(of the sky or weather) marked by a covering of grey cloud; dull.
2(of the edge of a piece of fabric) sewn with long slanting stitches to prevent fraying.
Cloud covering a large part of the sky.
1Cover with clouds or shade.
2Stitch over (a raw edge) to prevent fraying.