n. A deep cellar or outdoor building used for the storage of ice; sometimes also used to store food at low temperature
the GNU version of the Collaborative International Dictionary of English
n. a close-covered pit or building for storing ice.
n. a building used for storing ice, especially one built partly below ground and insulated so as to preserve ice obtained during the winter from frozen lakes or rivers.
The Century Dictionary and Cyclopedia
n. A structure, usually with double walls, packed between with sawdust or some similar non-conducting material, used for the storage of ice.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a house for storing ice
Word Usage
"The weathering of the mountains pulled carbon dioxide (CO2) from the atmosphere, causing the opposite of a greenhouse effect -- an "icehouse" effect."