Definition of Umbra
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(n.) The conical shadow projected from a planet or satellite, on the side opposite to the sun, within which a spectator could see no portion of the sun's disk; -- used in contradistinction from penumbra. See Penumbra.
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(n.) The central dark portion, or nucleus, of a sun spot.
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(n.) The fainter part of a sun spot; -- now more commonly called penumbra.
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(n.) Any one of several species of sciaenoid food fishes of the genus Umbrina, especially the Mediterranean species (U. cirrhosa), which is highly esteemed as a market fish; -- called also ombre, and umbrine.
Synonyms of Umbra
No Synonyms Found.
Antonyms of Umbra
No Antonyms Found.
Homophones of Umbra
No Homophones Found.