long-tailed UK /ˈlɒŋˌteɪld/US /ˈlɑŋˌteɪld/ adjective1 •Having a long tail (used in the names of various birds and animals).[…] lastly, in regal pomp, Lady Wentworth’s state coach was seen, with six black and long-tailed horses, and two outriders; […] — 1842