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tail fin

American  

noun

  1. caudal fin.

  2. Automotive. fin17


Etymology

Origin of tail fin

First recorded in 1675–85

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Saudi Arabia’s national flag could be seen on what appeared to be a tail fin in multiple shots.

From The Wall Street Journal Sep. 16, 2026

Taking inspiration from the power of a whale's fins, the team studied the structure and movement of the tail fin to unravel how it effectively uses wave energy for propulsion.

From Science Daily Nov. 27, 2023

The female specimen is roughly 14 inches, measuring from mouth to tail fin, according to Michelle Horeczko, a senior environmental scientist supervisor with the Department of Fish and Wildlife.

From Los Angeles Times Oct. 21, 2023

To get the refund, customers are asked to cut off or bend the tail fin, write “recalled” on the body of the baby shark and upload a photo on a site dedicated to the recall.

From Seattle Times Jun. 23, 2023

She had asked plenty of questions when the scope of her work had extended only from the nose cone of a tiny Cessna 405 to its tail fin.

From "Hidden Figures" by Margot Lee Shetterly

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