Answer: umbrae

AnswerCrossword Clue
UMBRAEShadows
UMBRAEShadows.
umbraethe dark central portion of a sunspot
umbraethe complete or perfect shadow of an opaque body, as a planet, where the direct light from the source of illumination is completely cut off
umbraeUMBRA, a dark area
umbraeshade; shadow
umbraephantom; ghost; spectral image