a large vertical lathe having a rotating table on which work is secured. Tools are held on a fixed post and the work is rotated around it
Also called (informal): roundabout
boring mill in American English
noun
Engineering
a machine for boring large holes in heavy work, having a table on which the work rotates while the hole is bored vertically
Word origin
[1825–35]This word is first recorded in the period 1825–35. Other words that entered Englishat around the same time include: breakdown, cross section, relativity, self-help, torque