This article is largely based on an article in the out-of-copyright Encyclopædia Britannica Eleventh Edition, which was produced in 1911. (October 2015)
Bed-mould, in architecture, is a kind of moulding found under the cornice, of which it is a part. Similar to crown moulding, a bed mould is used to cover the joint between the ceiling and wall. Bed moulds can be either sprung or plain, or flush to the wall as an extension of a cornice mould.