bow window
From Longman Dictionary of Contemporary EnglishRelated topics: Householdbow windowbow win‧dow /ˌbəʊ ˈwɪndəʊ $ ˌboʊ ˈwɪndoʊ/ noun [countable] DHa window that curves out from a wallExamples from the Corpusbow window• Mrs Healy saw him running as she looked from her bow window and knew that something must be amiss.