ro·se·o·la 
(rō-zēə-lə, rō′zē-ōlə)
(rō-zēə-lə, rō′zē-ōlə)n.
A rose-colored skin rash, sometimes occurring with diseases such as measles, syphilis, or scarlet fever.
[New Latin, from diminutive of Latin roseus, rosy, from rosa, rose.]
ro·seo·lar adj.