meriwether lewis meritoriousness • merk · · · Info · Definitions · Characters · · meriwether lewis · · Text Common · · Latin · · Scripts 16 · · Length 6 · · Syllables Definitions · · · (noun) United States explorer and soldier who lead led an expedition from St. Louis to the mouth of the Columbia River (1774-1809). Synonyms: Lewis, Meriwether Lewis. · · Noun Definition 1 Characters · · space U+0020 e latin small letter e U+0065 h latin small letter h U+0068 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 w latin small letter w U+0077