Found 2 items, similar to ploughshare.
English → English (WordNet) Definition: ploughshare ploughshare n : a sharp steel wedge that cuts loose the top layer of soil [syn: plowshare, share]
English → English (gcide) Definition: Ploughshare Plowshare \Plow"share`\, Ploughshare \Plough“share”\, n. The share of a plow, or that part which cuts the slice of earth or sod at the bottom of the furrow. [1913 Webster] Plowshare bone (Anat.), the pygostyle. [1913 Webster]