Answer: engineroom

AnswerCrossword Clue
ENGINEROOMFloating power plant
ENGINEROOMOceangoing power plant
ENGINEROOMHeart of a large vessel
ENGINEROOMImportant area on shipboard.
ENGINEROOMArea below decks.
ENGINEROOMPart of a ship
ENGINEROOMScotty's domain on "Star Trek"
ENGINEROOMScotty's domain on the U.S.S. Enterprise