1. A rounded bay window that projects from the face of a wall; in plan, it forms the segment of a circle; same as bow window. 2. A semicircular oriel window. 3. A window having a rounded, usually semicircular, upper member.
1. A rounded bay window that projects from the face of a wall; in plan, it forms the segment of a circle; same as bow window. 2. A semicircular oriel window. 3. A window having a rounded, usually semicircular, upper member.