Definition of coulter
: a cutting tool (such as a knife or sharp disc) that is attached to the beam of a plow, makes a vertical cut in the surface, and permits clean separation and effective covering of the soil and materials being turned under
Recent Examples of coulter from the Web
Coulter’s choice of Sproul Plaza, site of the Free Speech Movement protests in the 1960s, is both symbolic and logistically challenging for the university because anyone can be there.
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