glasshouse

From Middle English glasehows, glashous, glashows; equivalent to glass +‎ house.

• (UK): IPA^(key): /ˈɡlɑːshaʊs/
• (US): IPA^(key): /ˈɡlæshaʊs/, enPR: glăsʹhous

• Audio (AU)

  (file)

glasshouse (plural glasshouses)

1. A greenhouse, especially one for commercial use.
2. A building where glass or glassware is manufactured.
   • 1963, Margery Allingham, chapter 7, in The China Governess‎:

     The highway to the East Coast which ran through the borough of Ebbfield had always been a main road and even now, despite the vast garages, the pylons and the gaily painted factory glasshouses which had sprung up beside it, there still remained an occasional trace of past cultures.

3. (Britain military slang)  A military prison.

• greenhouse (chiefly domestic)