Noah Webster's Dictionary 1. (n.) The act of concealing; the state of being concealed. 2. (n.) A place of hiding; a secret place; a retreat from observation. 3. (n.) A secret; out of the way knowledge. 4. (n.) Suppression of such facts and circumstances as in justice ought to be made known.

Multi-Version Concordance Concealment (1 Occurrence) Psalms 64:4 to shoot innocent men from ambushes. They shoot at him suddenly and fearlessly. (See NAS)