aerator aeration • aerenchyma · · · Info · Definitions · Characters · · aerator · · Text Latin · · Script 7 · · Length Definitions · · · (noun) an apparatus for exposing something to the air (as sewage). · · Noun Definition 1 Characters · · a latin small letter a U+0061 e latin small letter e U+0065 o latin small letter o U+006F r latin small letter r U+0072 t latin small letter t U+0074