Definition of red-tailed in English:

red-tailed

adjective

  • Chiefly in the names of birds and mammals: having a red tail.

Origin

Early 17th century; earliest use found in Randle Cotgrave (fl. 1587–?1630), lexicographer. From red + tailed.

Pronunciation

red-tailed

/ˈrɛdteɪld/