{Hidden fifths} or {octaves} (Mus.), consecutive fifths or
octaves, not sounded, but suggested or implied in the
parallel motion of two parts towards a fifth or an octave.
Syn: {Hidden}, {Secret}, {Covert}.
Usage: Hidden may denote either known to on one; as, a hidden
disease; or intentionally concealed; as, a hidden
purpose of revenge. Secret denotes that the thing is
known only to the party or parties concerned; as, a
secret conspiracy. Covert literally denotes what is
not open or avowed; as, a covert plan; but is often
applied to what we mean shall be understood, without
openly expressing it; as, a covert allusion. Secret is
opposed to known, and hidden to revealed.
Bring to light the hidden things of darkness.
--1 Cor. iv.
5.
My heart, which by a secret harmony Still moves
with thine, joined in connection sweet.
--Milton.
By what best way, Whether of open war, or covert
guile, We now debate. --Milton.