noun

1. A lid.

2. Area or situation which screens a person or thing from view.

   “The soldiers took cover behind a ruined building.”

3. The front and back of a book, magazine, CD package, etc.

verb

1. To place something over or upon, as to conceal or protect.

   “He covered the baby with a blanket.”

2. To be over or upon, as to conceal or protect.

   “The blanket covered the baby.”

3. To be upon all of, so as to completely conceal.

   “Regular hexagons can cover the plane.”

Synonyms: impregnate

noun

1. The bedclothes; collectively, the sheets, blankets, etc.

   “It's time to get under the covers!”

2. The area of the field near cover and extra cover.

3. The tarpaulins or other devices used to cover the wicket during rain, in order to prevent it getting wet.