hopper window

hopper window

A window sash which opens inward and is hinged at the bottom; when open, air passes over the top of the sash. See also: French window
Illustrated Dictionary of Architecture Copyright © 2012, 2002, 1998 by The McGraw-Hill Companies, Inc. All rights reserved

hospital window, hopper window

A hopper light, 1 having a hopper, 2 on each side to prevent drafts.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
More Florida certification is also underway for several products, including Solar's G2 International Hopper Window, Fixed Vinyl Window Wall, High Performance G2 International Tilit Turn, High Performance G2 Out-Swing Modular Terrace Door, and G2 90[degrees] Operable Skylight.
For example, it's common to have a hopper window that tilts in above a fixed window.