from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A structure, primarily of glass, in which temperature and humidity can be controlled for the cultivation or protection of plants.
- n. Slang A clear plastic bubble or shell covering part of an aircraft.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A building traditionally made of glass, but now also made from plastics such as polyethylene, in which plants are grown more rapidly than outside such a building by the action of heat from the sun, this heat being trapped inside by the glass or plastic.
from the GNU version of the Collaborative International Dictionary of English
- n. A house in which tender plants are cultivated and sheltered from the weather.
from The Century Dictionary and Cyclopedia
- n. A building, the roof and one or more sides of which consist of glazed frames, constructed for the purpose of cultivating exotic plants which are too tender to endure the open air during the colder parts of the year.
- n. In ceramics, a house in which green or unfired pottery is dried before being submitted to the fire of the kiln.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a building with glass walls and roof; for the cultivation and exhibition of plants under controlled conditions
- adj. of or relating to or caused by the greenhouse effect
green + house (Wiktionary)