broadshare noun 1verb 1forms 3 noun1 •A heavy cultivator with wide V-shaped shares, used to loosen and dig up stubble and weeds after a harvest.This plough possesses the recommendations of being a Broadshare, Scarifier, and Subsoil Plough, combined in one and the same implement. — 1853 verb1 •To go over a field with a broadshare.When land proves to be very foul after harvest, it is best, first to shallow, spuddle, or broadshare the surface, harrow up the weeds, cart them to a mixen, or burn them on the spot: — 1864 formsbroadshared · broadsharing · broadshares