资料来源 : pyDict

犁刀

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Coulter \Coul"ter\ (k[=o]l"t[~e]r), n.
   Same as {Colter}.

资料来源 : WordNet®

coulter
     n : a sharp steel wedge that precedes the plow and cuts
         vertically through the soil [syn: {colter}]