| flipper(noun, tail, member, navigation) | |
| hand(noun, grip, palm, paddle) | |
| stabilizer | |
| member(noun, branch, tail, stem) | |
| appendage(noun, branch, tail, stem) | |
| pinna(noun, fringe, paddle, quill) | |
| airfoil | |
| vane | |
| bough(branch, tail, stem, member) | |
| branch(noun, tail, stem, member) | |
| dorsal | |
| extremity(noun, grip, branch, stem) | |
| offshoot(branch, tail, stem, member) | |
| pinion(noun, branch, stem, member) | |
| projection(noun, branch, tail, stem) |
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| APA | Smart Define. (2015). fin thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/fin/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "fin thesaurus" https://smartdefine.org/fin/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, fin thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/fin/thesaurus/synonyms>. |
| MLA | Smart Define. "fin thesaurus" 13 April 2015. Web. 23 September 2026. <https://smartdefine.org/fin/thesaurus/synonyms> |