Usually means: Reproductive arm of male cephalopods.
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We found 17 dictionaries that define the word hectocotylus:

General (15 matching dictionaries)
  1. hectocotylus: Merriam-Webster
  2. hectocotylus: Oxford Learner's Dictionaries
  3. hectocotylus: American Heritage Dictionary of the English Language
  4. hectocotylus: Collins English Dictionary
  5. hectocotylus: Wordnik
  6. hectocotylus: Wiktionary
  7. hectocotylus: Webster's New World College Dictionary, 4th Ed.
  8. hectocotylus: Infoplease Dictionary
  9. Hectocotylus, hectocotylus: Dictionary.com
  10. Hectocotylus: Wikipedia, the Free Encyclopedia
  11. Hectocotylus: Online Plain Text English Dictionary
  12. hectocotylus: Webster's Revised Unabridged, 1913 Edition
  13. Hectocotylus: AllWords.com Multi-Lingual Dictionary
  14. hectocotylus: FreeDictionary.org
  15. hectocotylus: TheFreeDictionary.com

Computing (1 matching dictionary)
  1. hectocotylus: Encyclopedia

Medicine (1 matching dictionary)
  1. online medical dictionary (No longer online)

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Definitions from Wiktionary (hectocotylus)

▸ noun:  (zoology) A modified arm of any of several male cephalopods that functions as a reproductive organ by transferring sperm to the mantle of the female.

Similar:
hectocotyly, hectocotylization, nectostem, hydroecium, hydrœcium, somatocyst, cingulum, cymbium, ctenocyst, paracymbium, more...

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Similar:
hectocotyly, hectocotylization, nectostem, hydroecium, hydrœcium, somatocyst, cingulum, cymbium, ctenocyst, paracymbium, more...



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