Entry 6 senses · 2 variants Webster, 1913 Pane /pān/ · IPA /peɪn/ n. n. 01 n. The narrow edge of a hammer head. See Peen. 1. The narrow edge of a hammer head. See Peen. See: Peen 02 n. A division; a distinct piece, limited part, or compartment of any surface; a patch; hence, a square of a checkered or plaided pattern. 1. A division; a distinct piece, limited part, or compartment of any surface; a patch; hence, a square of a checkered or plaided pattern. 2. One of the openings in a slashed garment, showing the bright colored silk, or the like, within; hence, the piece of colored or other stuff so shown. 3. A compartment of a surface, or a flat space; hence, one side or face of a building; as, an octagonal tower is said to have eight panes.(Arch.) 4. In irrigating, a subdivision of an irrigated surface between a feeder and an outlet drain. 5. One of the flat surfaces, or facets, of any object having several sides.