Student Thesaurus

One entry found for umbra.
Entry Word: umbra
Function: noun
Text: 1 a time or place of little or no light <strange noises were coming from the umbra beyond our campfire> -- see DARK 1
2 partial darkness due to the obstruction of light rays <during a solar eclipse observers located within the umbra experience a complete blocking of the sun by the moon> -- see SHADE 1