umbre

2 definitions found

umbre - Collaborative International Dictionary of English v.0.48 :

  Umbre \Um"bre\, n. (Zool.)
     See Umber.
     [1913 Webster]

  Umber \Um"ber\, n. [F. ombre ocherous ore of iron, terre
     d'ombre, It. terra d'ombra, literally, earth of shadow or
     shade, L. umbra shadow, shade. Cf. Umber, 3 & 4,
     Umbrage.]
     1. (Paint.) A brown or reddish pigment used in both oil and
        water colors, obtained from certain natural clays
        variously colored by the oxides of iron and manganese. It
        is commonly heated or burned before being used, and is
        then called burnt umber; when not heated, it is called
        raw umber. See Burnt umber, below.
        [1913 Webster]
  
     2. An umbrere. [Obs.]
        [1913 Webster]
  
     3. [F. ombre, umbre, L. umbra.] (Zool.) See Grayling, 1.
        [1913 Webster]
  
     4. [Cf. NL. scopus umbretta, F. ombrette; probably fr. L.
        umbra shade, in allusion to its dark brown color. See
        Umber a pigment.] (Zool.) An African wading bird
        (Scopus umbretta) allied to the storks and herons. It is
        dull dusky brown, and has a large occipital crest. Called
        also umbrette, umbre, and umber bird.
        [1913 Webster]
  
     Burnt umber (Paint.), a pigment made by burning raw umber,
        which is changed by this process from an olive brown to a
        bright reddish brown.
  
     Cologne umber, or German umber, a brown pigment obtained
        from lignite. See Cologne earth.
        [1913 Webster]