What does "concealment" mean?

Concealment: A place of hiding; a secret place; a retreat frem observation. The cleft tree Offers its kind concealment to a few. Thomson.

Additional senses

  1. 2.A secret; out of the way knowledge. [Obs.] Well read in strange concealments. Shak.
  2. 3.(Law) Suppression of such facts and circumstances as in justice ought to be made known. Wharton.

Sources