Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
ORIEL
As described in historical dictionaries
Patronymica Britannica (1860)
ORIEL. In a learned dissertation on this architectural term, by the late William Hamper, Esq., F.S.A., five different meanings are attached to it, viz : — "I. A pent-house. IT. A porch attached to any edifice.