hairstreak hairstone • hairtail · · · Info · Definitions · Synonyms · Characters · · hairstreak · · Text Latin · · Script 10 · · Length Definitions · · · (noun) small butterflies having striped markings under the wings. Synonyms: hairstreak butterfly. · · Noun Definition 1 Synonyms · · · hairstreak butterfly · · Synonym 1 Characters · · a latin small letter a U+0061 e latin small letter e U+0065 h latin small letter h U+0068 i latin small letter i U+0069 k latin small letter k U+006B r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074