having a corolla of five broad petals, like that of a rose.
3.
like a rose; roselike:
rosaceous loveliness.
4.
rose-colored; rosy.
Origin
1725-35; < Latinrosāceus made of roses, equivalent to ros(a) rose1 + -āceus-aceous
Examples from the web for rosaceous
Special plant communities include rosaceous chaparral and oak-juniper woodlands.
British Dictionary definitions for rosaceous
rosaceous
/rəʊˈzeɪʃəs/
adjective
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
Word Origin
C18: from Latin rosāceus composed of roses, from rosarose1