Definition: a farm tool having one or more heavy blades to break the soil and cut a furrow prior to sowing
Main entry: Big Dipper, Charles's Wain, Plough, Dipper, Wagon, Wain
Definition: a group of seven bright stars in the constellation Ursa Major
Main entry: turn, plough, plow
Definition: to break and turn over earth especially with a plow
Usage: Farmer Jones plowed his east field last week; turn the earth in the Spring
Definition: move in a way resembling that of a plow cutting into or going through the soil
Usage: The ship plowed through the water