Submitted by György Chityil ... on Fri, 01/19/2018 - 20:34 Hierarchy: NounDescription: {{architecture}} a window space projecting outward from the main walls of a building and forming a bay in a room.Ngram: bay windowNgram Text: bay windowSource: WiktionaryIssue: 0Wiktionary tag: architectureNgram Count: 2