| Greenhouse (n.) A house in which tender plants are cultivated and sheltered from the weather. Thesaurus Entries alcove, arbor, bower, cloche, cold frame, conservatory, coolhouse, forcing bed, forcing house, forcing pit, gazebo, glasshouse, hotbed, hothouse, kiosk, lathhouse, nursery, orangery, pergola, pinery, retreat, seedbed, summerhouse |