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Examples of pectoral fin in a Sentence
Recent Examples on the Web
This bizarre creature really is a fish, despite its bullfrog face, pectoral fins that look like webbed feet, and a froglike mouth that snaps up unsuspecting prey.
—Elizabeth Rayne, Ars Technica, 30 Dec. 2024
However, larger bodies require more energy to move, reinforcing the selection for higher pectoral fin aspect ratios.
—Melissa Cristina Marquez, Forbes, 1 Nov. 2024
The other study examines the genetics that allowed the fish to repurpose pectoral fins into legs.
—Gary Stix, Scientific American, 26 Sep. 2024
For instance, their lobed pectoral fins, which are thought to be precursors to the limbs of terrestrial vertebrates, are well-adapted for maneuvering in deep, complex underwater environments.
—Scott Travers, Forbes, 12 Sep. 2024
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Word History
First Known Use
1715, in the meaning defined above
Dictionary Entries Near pectoral fin
Cite this Entry
“Pectoral fin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pectoral%20fin. Accessed 18 Jan. 2025.
Kids Definition
pectoral fin
noun
: either of a pair of fins of a fish that correspond to the front limbs of a four-footed animal compare pelvic fin
More from Merriam-Webster on pectoral fin
Britannica.com: Encyclopedia article about pectoral fin
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