Crossword clues for the word: ENGINEROOM The word ENGINEROOM has appeared as an answer to at least 8 crossword clues on different crossword puzzles. Crossword clues for ENGINEROOM Showing 1 to 8 of 8 results Clue(s) "Scotty's domain on ""Star Trek""" Area below decks. Floating power plant Heart of a large vessel Important area on shipboard. Oceangoing power plant Scotty’s spot Scotty's domain on the U.S.S. Enterprise