auxiliary pump auxiliary operation • auxiliary research submarine · · · Info · Definitions · Synonyms · Characters · · auxiliary pump · · Text Common · · Latin · · Scripts 14 · · Length 7 · · Syllables Definitions · · · (noun) a supplementary pump available if needed. Synonyms: auxiliary pump, donkey pump. · · Noun Definition 1 Synonyms · · · donkey pump · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D p latin small letter p U+0070 r latin small letter r U+0072 u latin small letter u U+0075 x latin small letter x U+0078 y latin small letter y U+0079