A saw in the form of a cylinder with a ring of teeth at one end, which is rotated to cut rounded pieces such as staves; also called barrel saw, tub saw.
Origin
Mid 19th century; earliest use found in Charles Holtzapffel (1806–1847), mechanical engineer and technical writer.
Definition of drum saw in US English:
drum saw
noun
A saw in the form of a cylinder with a ring of teeth at one end, which is rotated to cut rounded pieces such as staves; also called barrel saw, tub saw.
Origin
Mid 19th century; earliest use found in Charles Holtzapffel (1806–1847), mechanical engineer and technical writer.