glasshouse.

1. A glass-covered structure used for growing plants.

2. A military detention facility or prison.

3. A factory or works where glass is made.

Use it for

Words that belong together

• garden glasshouse
• heated glasshouse

On the page

The glasshouse contained rare plants.

Rain drummed on the glasshouse roof.

The gardener opened the glasshouse vents.

Usage notes

Primary category: architecture. Forms: Singular glasshouse; plural glasshouses. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings.