undercutter

Noun

undercutter (plural undercutters)

1. One who, or that which, undercuts.
   • It is thus clear that adding an undercutter of this sort to the story changes the total evidence with respect to the claim in question. That is, in the case of typical undercutters, a metalevel claim filters down into the body of evidence in question precisely because an undercutter is a defeater...2011, Evidentialism and its Discontents, page 52
   • does identify it as the undercutter, and (4) its estimate of the amount of benefits the contriver will confer on it by “reciprocating” if but only if it does cooperate by foregoing inherently-profitable undercutting-opportunities to let the potential undercutter secure COMs from the potential...2014, Economics and the Interpretation and Application of U.S. and E.U. Antitrust Law: Volume I Basic Concepts and Economics-Based Legal Analyses of Oligopolistic and Predatory Conduct, page 281
2. A type of plough with a V-shaped blade or sweep pulled along under the soil.
   • The undercutter plow is a farm implement currently used for weed control on many farms in the winter wheat/fallow region of the Great Plains States and the Intermountain West. Undercutters are large (3 to 7 feet wide) V-shaped blades or sweeps that are pulled by tractors through a field 3 to 6...1985, Technologies to benefit agriculture and wildlife: workshop proceedings, page 13
3. A type of bit.
   • The undercutter produces a rabbetlike recess on the back of the panel. This allows you to use W'-thick stock for panels without having to cut excessively deep with the panel-raising bit. An undercut panel ends up being flush with both the face and the back of a standard frame. An undercutter can be...2005, Bill Hylton's Frame & Panel Magic, page 63
4. A device for excavation, used on railways.
   • […] train of dump cars hauled behind undercutter machine loads rear car first, then ones ahead of it. Using undercutter avoids need for removing track.1962, Popular Science Vol. 180 No. 2, page 72
5. A device for cutting into rock walls from below.
   • The top and bottom portions of the machine are exactly alike and it may consequently be turned over and employed as an overcutter as well as an undercutter.1926, Coal Age - Volume 30, page 67
   • In addition to its work on longwall faces, the A.B. Fifteen has been adapted for shortwall work either as undercutter or as overcutter, particular care having been taken to give it increased manoauvrability by the provision of special pulleys, and increased mobility by the addition of a tilting...1960, Colliery Guardian Overseas, page 50