-rēˌād.ə̇d adjective
Etymology: Medieval Latin historiat us (past participle of historiare to tell a story in pictures, from Late Latin, to relate, from Latin historia narrative, history) + English -ed — more at history
: adorned with figures (as flowers, animals) having significance rather than purely decorative elements (as scrolls, diapers) — used originally of the elaborately decorated initials of books and manuscripts and now chiefly of a symbolic representational manner of presenting supplementary information on a map or chart