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squaretail

American  
[skwair-teyl] / ˈskwɛərˌteɪl /

noun

  1. any of several fishes of the genus Tetragonurus, inhabiting deep waters of tropical and temperate seas, having a squarish tail tails and an armor of tough, bony scales.


Etymology

Origin of squaretail

First recorded in 1835–45; square + tail 1