Definition of overplough in English:

overplough

(US overplow)

Pronunciation /ˌəʊvəˈplaʊ/

verb

  • 1To plough over.

    Rare before 20th century.

  • 2To plough (farmland) excessively.

Origin

Late 16th century; earliest use found in Wentworth Smith, playwright. From over- + plough.