[awr-ee-uh
l, ohr‑] 
| 1. | a bay window, esp. one cantilevered or corbeled out from a wall. |
| 2. | (in medieval architecture) a large bay window of a hall or chamber. |
| o·ri·el (ôr'ē-əl, ōr'-) n. A bay window projecting from an upper floor, supported from below with a corbel or bracket. [Middle English, from Old French oriol, porch, from Medieval Latin oriolum.] |