greenhouse

kasvihuone

kasvihuone- A building used to grow plants, particularly those which employ large glass windows or plastic sheeting to trap heat from sunlight even in intemperate seasons or climates.
(label) The glass of a plane's cockpit.
*1941 March 24, w:Life (magazine)|Life, p. 85:

In the slang of the Royal Air Force man, the cockpit of his plane is the ‘pulpit’ or ‘office’, the glass covering over it the ‘greenhouse’.