A cylindrical metal cutter designed to be rotated at high speed in a router, typically shaped at the tip to produce correspondingly shaped grooves or edges.
Origin
Late 19th century; earliest use found in Edward H. Knight (1824–1883), patent lawyer and expert in mechanics.
Definition of router cutter in US English:
router cutter
noun
A cylindrical metal cutter designed to be rotated at high speed in a router, typically shaped at the tip to produce correspondingly shaped grooves or edges.
Origin
Late 19th century; earliest use found in Edward H. Knight (1824–1883), patent lawyer and expert in mechanics.