Turning and boring mill

a kind of lathe having a vertical spindle and horizontal face plate, for turning and boring large work.

See also: Turning

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
The machine tool line includes single- and double-column vertical turning and boring mills with moveable table, moveable column or moveable cross rail; plano-milling machines, moving gantry-type milling machines, and moving table bridge-type milling machines.
Vertical turning and boring mills range in maximum turning diameter from 25" to 256" and maximum height of 20" to 216" in the standard line.