A canopy bed is an ornamental bed considerably just like a 4-poster bed. A typical canopy bed normally options posts at each of the 4 corners extending 4 ft high or more above the mattress. Ornate or decorative material is usually draped throughout the higher area between the posts and a strong swath of fabric could create a ceiling, or canopy straight over the bed.
A 4-poster bed is a bed with 4 vertical columns, one in each corner, that help a tester, or higher (normally rectangular) panel. This tester or panel will usually have rails to allow curtains to be pulled across the bed. There are a selection of vintage 4-poster beds extant courting to the sixteenth century and earlier; many of those early beds are extremely ornate and are made from oak. An instance of such an early sixteenth-century 4-poster resides in Crathes Citadel, which was made for the original castle homeowners in the Burnett of Leys family.