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Meaning of forecastle head

fore'castle head"

Pronunciation: [key]
— Naut. Naut.
  1. the extreme fore part of a forecastle superstructure.
  2. the extreme fore part of the main weather deck of a vessel that has no forecastle superstructure.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.