[tri.ple.tail] n (ca. 1803): a large marine bony fish (Lobotes surinamensis of the family Lobotidae) of warm and tropical waters that has long dorsal and anal fins which extend backward and together with the caudal fin appear like a 3-lobed tail
TRIPLETAIL
Meaning of TRIPLETAIL in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012