spline splinder • splineway · · · Info · Definitions · Synonyms · Characters · · spline · · Text Latin · · Script 6 · · Length Definitions · · · (noun) a flexible strip (wood or rubber) used in drawing curved lines. · · Noun Definition 1 (noun) a thin strip (wood or metal). Synonyms: slat. · · Noun Definition 2 Synonyms · · · slat · · Synonym 1 Characters · · 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 p latin small letter p U+0070 s latin small letter s U+0073