n.
Pronunciation: ˌ r ō -z ē - ' ō -l ə , r ō - ' z ē - ə -l ə
Function: noun
Etymology: New Latin, from Latin roseus rosy, from rosa rose
Date: circa 1818
: a rose-colored eruption in spots or a disease marked by such an eruption especially : ROSEOLA INFANTUM
– ro · se · o · lar \ -l ə r \ adjective