[1] : The Collaborative International Dictionary of English v.0.48

cover \cov"er\ k?v"?r, n.
   1. anything which is laid, set, or spread, upon, about, or
      over, another thing; an envelope; a lid; as, the cover of
      a book.
      1913 webster

   2. anything which veils or conceals; a screen; disguise; a
      cloak. "under cover of the night." -- macaulay.
      1913 webster

            a handsome cover for imperfections.   --collier.
      1913 webster

   3. shelter; protection; as, the troops fought under cover of
      the batteries; the woods afforded a good cover.
      1913 webster

            being compelled to lodge in the field . . . whilst
            his army was under cover, they might be forced to
            retire.                               --clarendon.
      1913 webster

   4. hunting the woods, underbrush, etc., which shelter and
      conceal game; covert; as, to beat a cover; to ride to
      cover.
      1913 webster

   5. that portion of a slate, tile, or shingle, which is hidden
      by the overlap of the course above. --knight.
      1913 webster

   6. steam engine the lap of a slide valve.
      1913 webster

   7. cf. f. couvert. a tablecloth, and the other table
      furniture; esp., the table furniture for the use of one
      person at a meal; as, covers were laid for fifty guests.
      1913 webster

   to break cover, to start from a covert or lair; -- said of
      game.

   under cover, in an envelope, or within a letter; -- said of
      a written message.
      1913 webster

            letters . . . dispatched under cover to her
            ladyship.                             --thackeray.
      1913 webster
see also:
to break cover under cover 

Cover >> C Words
Cover, definition of term: Cover
cover_pag1.html

Cover Up >> C Words
Cover Up, definition of term: Cover Up
cover+up_pag1.html

Cover Crop >> C Words
Cover Crop, definition of term: Cover Crop
cover+crop_pag1.html