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definitions

pelvic fin

noun

(in fishes) either of a pair of fins on the lower surface of the body, corresponding to the hind limbs of a land vertebrate; ventral fin.

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Nearby words

  1. pelvic cavity,
  2. pelvic cellulitis,
  3. pelvic diaphragm,
  4. pelvic direction,
  5. pelvic fascia,
  6. pelvic floor,
  7. pelvic ganglion,
  8. pelvic girdle,
  9. pelvic inflammatory disease,
  10. pelvic limb

Origin of pelvic fin

First recorded in 1905–10
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for pelvic fin

pelvic fin

noun

either of a pair of fins attached to the pelvic girdle of fishes that help to control the direction of movement 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