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1. Of or belonging to the rose family.
2. Resembling the flower of a rose.

[From Latin rosāceus, made of roses, from rosa, rose.]


1. (Botany) 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. (Colours) of the colour rose; rose-coloured; rosy
[C18: from Latin rosāceus composed of roses, from rosa rose1]


(roʊˈzeɪ ʃəs)

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.
4. rose-colored; rosy.
[1725–35; < Latin rosāceus made of roses <ros(a) rose1]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.rosaceous - of or pertaining to or characteristic of plants of the family Rosaceae
2.rosaceous - of something having a dusty purplish pink color; "the roseate glow of dawn"
chromatic - being or having or characterized by hue
References in periodicals archive ?
Erwinia amylovora is a Gram-negative enterobacterium that causes a devastating blight disease on rosaceous plants.
Arbutin is a glycosylated hydroquinone found in large amounts in many plants, including those from the families of rosaceous, ericaceous, etc.
Plant of hardy rosaceous genus Geum, with yellow flowers (4,6) 15.
Identification and Characterization of midgut digestive proteases from the rosaceous branch borer, Osphranteria coerulescens Redtenbacher (Coleoptera: Cerambycidae).