first stomach first step • first strike · · · Info · Definitions · Synonyms · Characters · · first stomach · · Text Common · · Latin · · Scripts 13 · · Length 3 · · Syllables Definitions · · · (noun) the first compartment of the stomach of a ruminant; here food is collected and returned to the mouth as cud for chewing. Synonyms: rumen, first stomach. · · Noun Definition 1 Synonyms · · · rumen · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 f latin small letter f U+0066 h latin small letter h U+0068 i latin small letter i U+0069 m latin small letter m U+006D o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074