The DICT Development Group

  Rosaceous \Ro*sa"ceous\, a. [L. rosaceus, fr. rosa rose.]
     1. (Bot.)
        (a) Of or pertaining to a natural order of plants
            ({Rosaceae) of which the rose is the type. It
            includes also the plums and cherries, meadowsweet,
            brambles, the strawberry, the hawthorn, applies,
            pears, service trees, and quinces.
        (b) Like a rose in shape or appearance; as, a rosaceous
            corolla.
            [1913 Webster]
  
     2. Of a pure purpish pink color.
        [1913 Webster]

  rosaceous
      adj 1: of or pertaining to or characteristic of plants of the
             family Rosaceae
      2: of something having a dusty purplish pink color; "the roseate
         glow of dawn" [syn: rose, roseate, rosaceous]