fly ash fly anchor • flyaway · · · Info · Definitions · Characters · · fly ash · · Text Common · · Latin · · Scripts 7 · · Length 2 · · Syllables Definitions · · · (noun) fine solid particles of ash that are carried into the air when fuel is combusted. Synonyms: fly ash. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 f latin small letter f U+0066 h latin small letter h U+0068 l latin small letter l U+006C s latin small letter s U+0073 y latin small letter y U+0079