weatherboarding weatherboard • weatherbreak · · · Info · Definitions · Synonyms · Characters · · weatherboarding · · Text Latin · · Script 15 · · Length Definitions · · · (noun) a long thin board with one edge thicker than the other; used as siding by lapping one board over the board below. Synonyms: clapboard, weatherboard. · · Noun Definition 1 Synonyms · · · clapboard · · Synonym 1 weatherboard · · Synonym 2 Characters · · a latin small letter a U+0061 b latin small letter b U+0062 d latin small letter d U+0064 e latin small letter e U+0065 g latin small letter g U+0067 h latin small letter h U+0068 i latin small letter i U+0069 n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 t latin small letter t U+0074 w latin small letter w U+0077