umbra

Etymology

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

noun

  1. The fully shaded inner region of a shadow cast by an opaque object.
    1. (astronomy) The area on the earth or moon experiencing the total phase of an eclipse.
  2. (astronomy) The central region of a sunspot.
  3. (chiefly literary) A shadow.
  4. (archaic) An uninvited guest brought along by one who was invited.
  5. One of the family Umbridae of mudminnows.
  6. One of genus Umbrina of drums (family Sciaenidae).

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