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caudal fin

noun

the terminal vertical fin of a fish.

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Nearby words

  1. cauda pancreatis,
  2. caudad,
  3. caudaite,
  4. caudal,
  5. caudal anesthesia,
  6. caudal flexure,
  7. caudal transverse fissure,
  8. caudate,
  9. caudate lobe,
  10. caudate nucleus
Also called tail fin.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for caudal fin

caudal fin

noun

the tail fin of fishes and some other aquatic vertebrates, used for propulsion during locomotion
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012