adj. & v.
adj. 1 involving the supernatural; mystical, magical. 2 kept secret; esoteric. 3 recondite, mysterious; beyond the range of ordinary knowledge. 4 Med. not obvious on inspection.
v.tr. Astron. (of a concealing body much greater in size than the concealed body) hide from view by passing in front; conceal by being in front. the occult occult phenomena generally. occulting light a lighthouse light that is cut off at regular intervals. occultation n. occultism n. occultist n. occultly adv. occultness n.
[ L occulere occult- (as OB-, celare hide) ]