plinth plinian eruption • plinth course · · · Info · Definitions · Synonyms · Characters · · plinth · · Text Latin · · Script 6 · · Length 1 · · Syllables Definitions · · · (noun) an architectural support or base (as for a column or statue). Synonyms: pedestal, footstall. · · Noun Definition 1 Synonyms · · · pedestal · · Synonym 1 footstall · · Synonym 2 Characters · · h latin small letter h U+0068 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 t latin small letter t U+0074