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Porthole vs Crenel - What's the difference?

porthole | crenel |

As nouns the difference between porthole and crenel

is that porthole is a circular window set in the hull of a ship while crenel is the space between merlons in a crenelated battlement.

porthole

English

Noun

(en noun)
  • A circular window set in the hull of a ship.

    • Synonyms

    * scuttle

    Anagrams

    *

    crenel

    English

    Alternative forms

    *crenelle

    Noun

    (en noun)
  • The space between merlons in a crenelated battlement.
  • *2000 , (George RR Martin), A Storm of Swords , Bantam 2011, p. 44:
  • *:They would wake Lord Bolton and search Harrenhal from crenel to cellar, and when they did they would find the map and the dagger missing […].