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Definition of squaretail

squaretail

/ˈskwɛərteɪl/
square · tail

Plural:squaretails
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squaretail Lexical Profile

• noun

1

North American A common name for the brook trout, a species of freshwater fish native to eastern North America, distinguished by its relatively straight, un-forked tail fin.

Example

"We spent the early morning casting flies into the riffles, hoping to catch a large squaretail before the sun rose completely over the mountains."


2

Any marine fish belonging to the family Tetragonuridae, found primarily in tropical and subtropical oceans, characterized by a slender body and a distinctly squared tail.

Example

"Deep-sea biologists cataloged several juvenile squaretails living in association with pelagic salps."

• Rhymes for squaretail

Word Origin & Etymology

A compound of 'square' and 'tail', referring directly to the notably flat, un-forked shape of the fish's caudal fin. Used primarily by North American anglers since the 19th century.

Usage Trend

Historical frequency of usage in published text.

180019102020

Cite this Entry


Wordmom. (2026). Definition of Squaretail. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/squaretail
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