• synonyms


[roh-zey-shuh s]
  1. belonging to the plant family Rosaceae.Compare rose family.
  2. having a corolla of five broad petals, like that of a rose.
  3. like a rose; roselike: rosaceous loveliness.
  4. rose-colored; rosy.
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Origin of rosaceous

1725–35; < Latin rosāceus made of roses, equivalent to ros(a) rose1 + -āceus -aceous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for rosaceous

Historical Examples

  • Avens, the English name of two rosaceous plants of the genus Geum.

    The New Gresham Encyclopedia. Vol. 1 Part 3


  • In some Rosaceous plants an epicalyx is present, due to the formation of stipulary structures by the sepals.

  • The larvæ are not indiscriminate feeders, but prefer the foliage of certain members of the Rosaceous family of plants.

    American Pomology

    J. A. Warder

British Dictionary definitions for rosaceous


  1. of, relating to, or belonging to the Rosaceae, a family of flowering plants typically having white, yellow, pink, or red five-petalled flowers. The family includes the rose, strawberry, blackberry, and many fruit trees such as apple, cherry, and plum
  2. of the colour rose; rose-coloured; rosy
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Word Origin

C18: from Latin rosāceus composed of roses, from rosa rose 1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012