Definition of UMBRA

umbra

Plural: umbrae, umbras, umbræ

Noun

  • The darkest part of a shadow, especially during an eclipse.
  • a region of complete shadow resulting from total obstruction of light
  • The fully shaded inner region of a shadow cast by an opaque object.
  • The fully shaded inner region of a shadow cast by an opaque object.
  • The area on the earth or moon experiencing the total phase of an eclipse.
  • The central region of a sunspot.
  • A shadow.
  • An uninvited guest brought along by one who was invited.
  • One of the family Umbridae of mudminnows.
  • One of genus Umbrina of drums (family Sciaenidae).
  • An element of the umbral calculus.

Examples

  • My opponent’s strategic play cast an umbra over my chances for victory in Scrabble.

Origin / Etymology

Borrowed from Latin umbra (“shadow”). Doublet of umber.

Scrabble Score: 9

umbra: valid Scrabble (US) TWL Word
umbra: valid Scrabble Word in Merriam-Webster MW Dictionary
umbra: valid Scrabble Word in International Collins CSW Dictionary

Words With Friends Score: 12

umbra: valid Words With Friends Word