Umbrae

3 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Umbra \Um"bra\, n.; pl. {Umbrae}. [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.
            [1913 Webster]
  
     2. (Zool.) Any one of several species of sciaenoid food
        fishes of the genus {Umbrina}, especially the
        Mediterranean species ({Umbrina cirrhosa}), which is
        highly esteemed as a market fish; -- called also {ombre},
        and {umbrine}.
        [1913 Webster]
  
     {Umbra tree} (Bot.), a tree ({Phytolacca dioica}) 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).
        [1913 Webster]

From WordNet (r) 2.0 [wn]:

  umbra
       n : a region of complete shadow resulting from total obstruction
           of light
       [also: {umbrae} (pl)]

From WordNet (r) 2.0 [wn]:

  umbrae
       See {umbra}