Fore"cas`tle (?; sailors say &?;),
n. (Naut.) (a) A short
upper deck forward, formerly raised like a castle, to command an
enemy's decks. (b) That part of the upper
deck of a vessel forward of the foremast, or of the after part of the
fore channels. (c) In merchant vessels,
the forward part of the vessel, under the deck, where the sailors
live.