- A louvre or covered opening on the roof of a kitchen or hall, for ventilation or to allow smoke to escape.More example sentences
- The Gothic principle of "decorating structure" was freely applied and the femerells or louvers were often objects of much architectural interest.
- Along the top of the roof there appears to liave been a sort of decorated parapet or fret-work; and in the middle rose the "femerell," or louvre, unfortunately destroyed about a century and a half ago.
- Above the femerell, which must have been more magnificent than the present one, stood a metal griffin with a vane.
late Middle English: from Old French fumeril 'louvre'.