plane section plane seat • plane-shear · · · Info · Definitions · Synonyms · Characters · · plane section · · Text Common · · Latin · · Scripts 13 · · Length 3 · · Syllables Definitions · · · (noun) (geometry) the area created by a plane cutting through a solid. Synonyms: section, plane section. · · Noun Definition 1 Synonyms · · · section · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070 s latin small letter s U+0073 t latin small letter t U+0074