first sacker first rudiment • first sergeant · · · Info · Definitions · Synonyms · Characters · · first sacker · · Text Common · · Latin · · Scripts 12 · · Length 3 · · Syllables Definitions · · · (noun) (baseball) the person who plays first base. Synonyms: first baseman, first sacker. · · Noun Definition 1 Synonyms · · · first baseman · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 f latin small letter f U+0066 i latin small letter i U+0069 k latin small letter k U+006B r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074