third baseman third base • third best · · · Info · Definitions · Synonyms · Characters · · third baseman · · Text Common · · Latin · · Scripts 13 · · Length Definitions · · · (noun) (baseball) the person who plays third base. Synonyms: third sacker. · · Noun Definition 1 Synonyms · · · one-third · · Synonym 1 third · · Synonym 2 tierce · · Synonym 3 third base · · Synonym 4 third gear · · Synonym 5 3rd · · Synonym 6 tertiary · · Synonym 7 thirdly · · Synonym 8 Characters · · space U+0020 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 h latin small letter h U+0068 i latin small letter i U+0069 m latin small letter m U+006D n latin small letter n U+006E r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074