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Meaning of UMBRA

Pronunciation:  'umbru

 
WordNet Dictionary
 
 Definition: 
[n]  a region of complete shadow resulting from total obstruction of light
 

UMBRA is a 5 letter word that starts with U.

 

 See Also: shadow

 

 

Webster's 1913 Dictionary
 
 Definition: 
\Um"bra\, n.; pl. {Umbr[ae]}. [L., a shadow.]
1. (Astron.)
   (a) 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}.
   (b) The central dark portion, or nucleus, of a sun spot.
   (c) The fainter part of a sun spot; -- now more commonly
       called penumbra.

2. (Zo["o]l.) Any one of several species of sci[ae]noid 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}.

{Umbra tree} (Bot.), a tree ({Phytolacca diocia}) of the same
   genus as pokeweed. It is native of South America, but is
   now grown in southern Europe. It has large dark leaves,
   and a somber aspect. The juice of its berries is used for
   coloring wine. --J. Smith (Dict. Econ. Plants).

 

 

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