planation planate • planch · · · Info · Definitions · Characters · · planation · · Text Latin · · Script 9 · · Length Definitions · · · (noun) the process of erosion whereby a level surface is produced. · · Noun Definition 1 Characters · · a latin small letter a U+0061 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 t latin small letter t U+0074