bedstead
nounUK /ˈbed.sted/
US /ˈbed.sted/
A bedstead is the strong frame that holds up a bed.
The old wooden bedstead creaked whenever he turned over.
OTHER MEANINGS
2. The metal or wooden structure of a bed, considered apart from the mattress and bedding.
They bought a new mattress but kept the iron bedstead.
3. A bed with its frame, especially an antique or decorative one.
The guest room featured a brass bedstead from the Victorian era.
4. The supporting framework on which a bed's springs or mattress rest.
He tightened the bolts on the bedstead so the mattress would sit level.