Avesta Aves • Avestan · · · Info · Definitions · Characters · · Avesta · · Text Latin · · Script 6 · · Length Definitions · · · (noun) a collection of Zoroastrian texts gathered during the 4th or 6th centuries. Synonyms: Zend-Avesta. · · Noun Definition 1 Characters · · A latin capital letter a U+0041 a latin small letter a U+0061 e latin small letter e U+0065 s latin small letter s U+0073 t latin small letter t U+0074 v latin small letter v U+0076