tree swift tree swallow • tree tag · · · Info · Definitions · Synonyms · Characters · · tree swift · · Text Common · · Latin · · Scripts 10 · · Length 2 · · Syllables Definitions · · · (noun) birds of southeast Asia and East Indies differing from true swifts in having upright crests and nesting in trees. Synonyms: tree swift, crested swift. · · Noun Definition 1 Synonyms · · · crested swift · · Synonym 1 Characters · · space U+0020 e latin small letter e U+0065 f latin small letter f U+0066 i latin small letter i U+0069 r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 w latin small letter w U+0077