Crossword clue: a building with glass walls and roof; for the cultivation and exhibition of plants under controlled conditions

The most common answer is glasshouse (10 letters).

2 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

Possible answers

glasshouse 10 letters wn-def

a building with glass walls and roof; for the cultivation and exhibition of plants under controlled conditions

greenhouse 10 letters wn-def

a building with glass walls and roof; for the cultivation and exhibition of plants under controlled conditions