n. 1. a. A sheet of glass or other transparent material set into a window or door. b. A framed section of a window or door that holds such a sheet. 2. A panel, as of a door or wall. 3. One of the flat surfaces or facets of an object, such as a bolt, having many sides. [Middle English, section, pane of glass, from Old French pan, piece of cloth, panel, from Latin pannus, cloth; see pan- in the Appendix of Indo-European roots.] |
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