noun
Etymology: double-disc from double (I) + disk, n.
: a harrow with two sets of discs so arranged that one set throws soil outward and the other throws it inward — called also double-action harrow
noun
Etymology: double-disc from double (I) + disk, n.
: a harrow with two sets of discs so arranged that one set throws soil outward and the other throws it inward — called also double-action harrow
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012