Usually means: Marine invertebrate, resembles feathered quill.
Definitions Related words Mentions
We found 19 dictionaries that define the word sea pen:

General (17 matching dictionaries)
  1. sea pen: Merriam-Webster
  2. sea pen: Oxford Learner's Dictionaries
  3. sea pen: American Heritage Dictionary of the English Language
  4. sea pen: Collins English Dictionary
  5. sea pen: Vocabulary.com
  6. sea-pen, sea pen: Wordnik
  7. sea pen: Wiktionary
  8. sea pen: Infoplease Dictionary
  9. Sea-pen, sea-pen, sea pen: Dictionary.com
  10. Sea pen: Wikipedia, the Free Encyclopedia
  11. Sea-pen: Online Plain Text English Dictionary
  12. sea-pen: Webster's Revised Unabridged, 1913 Edition
  13. sea pen: Rhymezone
  14. Sea-pen: AllWords.com Multi-Lingual Dictionary
  15. sea-pen, sea pen: FreeDictionary.org
  16. sea pen: Mnemonic Dictionary
  17. Sea-pen, sea pen: TheFreeDictionary.com

Computing (1 matching dictionary)
  1. Sea-pen, sea pen: Encyclopedia

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

(Note: See sea_pens as well.)

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Definitions from Wiktionary (sea pen)

▸ noun:  A colonial marine cnidarian of the order Pennatulacea.

Similar:
pennatulacean, pennatula, pennatulid, pennellid, sea pansy, penaeidean, pinnid, veretillid, penaeoid, virgulariid, more...

Opposite:
land pen, terrestrial pen

▸ Words similar to sea pen

▸ Usage examples for sea pen

▸ Idioms related to sea pen

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▸ Words that often appear near sea pen

▸ Rhymes of sea pen

▸ Invented words related to sea pen

Similar:
pennatulacean, pennatula, pennatulid, pennellid, sea pansy, penaeidean, pinnid, veretillid, penaeoid, virgulariid, more...

Opposite:
land pen, terrestrial pen



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