from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. An outer or additional door added for protection against inclement weather.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A door normally leading to a cellar or a basement, for protection from a tornado or a violent storm

from the GNU version of the Collaborative International Dictionary of English

  • n. an extra outside door to prevent the entrance of wind, cold, rain, etc.; -- usually removed in summer.

from The Century Dictionary and Cyclopedia

  • n. An outer or additional door for protection against inclement weather: in general used temporarily, for the winter only.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. an extra outer door for protection against severe weather or winter


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