windowpane: Meaning and Definition of

win•dow•pane

1. a plate of glass for filling a window sash within the frame.
2. a flounder, Scophthalmus aquosus, occurring along the Atlantic coast of North America, characterized by the thinness and translucency of its body.

1. designating or having a large, regular design of intersecting lines resembling a series of windowpanes: a windowpane plaid sweater.