society > occupation and work > equipment > shaping tools or equipment > [noun] > flattening (5)
A roller used to crush, flatten, or draw out something, esp. in metalworking. Cf. roller, n.1 4.
A cylindrical stone, esp. in the form of a heavy roller, used for crushing, flattening, etc.
A tool or instrument used for planishing.
A tool used in making things flat, e.g. a very broad-faced hammer used by smiths.
One who flattens; something used for flattening.