baseboard baseballer • baseborn · · · Info · Definitions · Synonyms · Characters · · baseboard · · Text Latin · · Script 9 · · Length Definitions · · · (noun) a molding covering the joint formed by a wall and the floor. Synonyms: mopboard, skirting board. · · Noun Definition 1 Synonyms · · · mopboard · · Synonym 1 skirting board · · 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 o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073