Definition of roseal in English:

roseal

(also rosial)

Pronunciation /ˈrəʊzɪəl/

adjective

archaic, rare
  • Of, resembling, or characteristic of a rose; specifically (with reference to colour) = "roseate".

Origin

Mid 16th century; earliest use found in Thomas Elyot (c1490–1546), humanist and diplomat. Either from classical Latin roseus + -al, or from rose + -al.