ROSACEOUS

rose, roseate, rosaceous

(adjective) of something having a dusty purplish pink color; “the roseate glow of dawn”

rosaceous

(adjective) of or pertaining to or characteristic of plants of the family Rosaceae

Source: WordNet® 3.1

Etymology 1

Adjective

rosaceous (not comparable)

(botany) Of or pertaining to a rose, or a member of the Rosaceae family of plants.

Etymology 2

Adjective

rosaceous (comparative more rosaceous, superlative most rosaceous)

Resembling or characteristic of rosacea; rosy; reddish.

Source: Wiktionary

Ro*sa"ceous, a. Etym: [L. rosaceus, fr. rosa rose.]

1. (Bot.) (a) Of or pertaining to a natural order of plants (Rosaceæ) of which the rose is the type. It includes also the plums and cherries, meadowsweet, brambles, the strawberry, the hawthorn, applies, pears, service tress, and quinces. (b) Like a rose in shape or appearance; as, a rosaceous corolla.

2. Of a pure purpish pink color.

Source: Webster’s Unabridged Dictionary 1913 Edition