cutterhead
nounEtymology From cutter + head.
1
A rotating cylindrical cutting tool located at the head of a drill, boring machine, or the like.
- The cutterhead, weighing 160 tonnes and with a ten-metre diameter, was moved by road in September.2022 December 14, Paul Stephen, “Network News: HS2's Dorothy starts to dig second tunnel bore”, in RAIL, number 972, page 22: