noun, plural green·hous·es [green-hou-ziz] /ˈgrinˌhaʊ zɪz/.

a building, room, or area, usually chiefly of glass, in which the temperature is maintained within a desired range, used for cultivating tender plants or growing plants out of season.

Nearby words

  1. greengrocery,
  2. greenham common,
  3. greenhead,
  4. greenheart,
  5. greenhorn,
  6. greenhouse effect,
  7. greenhouse gas,
  8. greenhouse whitefly,
  9. greenie,
  10. greening

Origin of greenhouse

First recorded in 1655–65; green + house Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for greenhouse

British Dictionary definitions for greenhouse



a building with transparent walls and roof, usually of glass, for the cultivation and exhibition of plants under controlled conditions
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for greenhouse



1660s, from green + house (n.). Greenhouse effect attested from 1937.

Online Etymology Dictionary, © 2010 Douglas Harper