Definitions of plow:

• noun:   a farm tool having one or more heavy blades to break the soil and cut a furrow prior to sowing
• verb:   move in a way resembling that of a plow cutting into or going through the soil

  Example: "The ship plowed through the water"

• verb:   to break and turn over earth especially with a plow

  Example: "Farmer Jones plowed his east field last week"

• verb:   deal with verbally or in some form of artistic expression