colter

Noun
  1. A sharp steel wedge that precedes the plow and cuts vertically through the soil (synset 103077388)
    is a type of: wedge - something solid that is usable as an inclined plane (shaped like a V) that can be pushed between two things to separate them
    is a part of: moldboard plow, mouldboard plough - plow that has a moldboard
    same as: coulter

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