Definition of lattice window in US English:
 lattice window
nounˈladəs ˈwindōˈlædəs ˈwɪndoʊ
A window with small panes set in diagonally crossing strips of wood, vinyl, or metal.
 Example sentencesExamples
-  It has lattice windows and its own seating area with a wrought-iron gas fireplace with remote control.
 -  Finally she felt the urge to slide back the lattice window that separated them, and she indeed did so.
 -  The halls of the keep were large and airy, with polished stone floors and huge lattice windows.
 -  Similar picturesque thatched cottages with lattice windows are illustrated in the children's picture sheets issued by early nineteenth-century publishers.
 -  What, from the outside, seem like gloomy lattice windows prove within to be vivid mosaics of coloured glass.