To expose to the knowledge of others; to make known, state openly, reveal.
To uncover, physically expose to view.
To make or keep secret.
To hide secretly.
Being or kept hidden.
Private seclusion.
A piece of knowledge that is hidden and intended to be kept hidden.
The key or principle by which something is made clear; the knack.
A form of steel skullcap.
Something not understood or known.
Any prayer spoken inaudibly and not aloud; especially, one of the prayers in the Tridentine Mass, immediately following the "orate, fratres", said inaudibly by the celebrant.