rug pad rug merchant • rug-gowned · · · Info · Definitions · Synonyms · Characters · · rug pad · · Text Common · · Latin · · Scripts 7 · · Length 2 · · Syllables Definitions · · · (noun) a pad placed under a carpet. Synonyms: carpet pad, rug pad, underlay, underlayment. · · Noun Definition 1 Synonyms · · · carpet pad · · Synonym 1 underlay · · Synonym 2 underlayment · · Synonym 3 Characters · · space U+0020 a latin small letter a U+0061 d latin small letter d U+0064 g latin small letter g U+0067 p latin small letter p U+0070 r latin small letter r U+0072 u latin small letter u U+0075