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We found 8 dictionaries with English definitions that include the word umbras: Click on the first link on a line below to go directly to a page where "umbras" is defined. General (6 matching dictionaries) umbras: Collins English Dictionary [home, info] umbras: Vocabulary.com [home, info] umbras: Merriam-Webster's Online Dictionary, 11th Edition [home, info] Umbra's, umbras: Wordnik [home, info] umbras: Dictionary.com [home, info] umbras: Dictionary/thesaurus [home, info] Computing (1 matching dictionary) umbras: Encyclopedia [home, info] Miscellaneous (1 matching dictionary) UMBRAS: Acronym Finder [home, info] (Note: See umbra for more definitions.)

Quick definitions from WordNet (umbra) ▸ noun:  a region of complete shadow resulting from total obstruction of light ▸ Also see umbra