greenhouse

mastery
UK /ˈɡɹiːnhaʊs/ US /ˈɡɹːnˌ(h)aʊs/nounverbname

card 1 of 10 · context meaning

What does 'greenhouse' mean in this sentence?

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’.