·noun Fig.: The state of being occult.
II. Occultation ·noun The hiding of a heavenly body from sight by the intervention of some other of the heavenly bodies;
— applied especially to eclipses of stars and planets by the moon, and to the eclipses of satellites of planets by their primaries.
One heavenly body eclipsing another; but in nautical astronomy it is particularly used to denote the...
The Sailor's Word-Book