air pump air propeller • air raid · · · Info · Definitions · Synonyms · Characters · · air pump · · Text Common · · Latin · · Scripts 8 · · Length 2 · · Syllables Definitions · · · (noun) a pump that moves air in or out of something. Synonyms: air pump, vacuum pump. · · Noun Definition 1 Synonyms · · · vacuum pump · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 i latin small letter i U+0069 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