plow

(plou)

1. A farm implement consisting of a heavy blade at the end of a beam, usually hitched to a draft team or motor vehicle and used for breaking up soil and cutting furrows in preparation for sowing.
2. An implement of similar function, such as a snowplow.

1. 1. To break and turn over (earth) with a plow.
   2. To form (a furrow, for example) with a plow.
   3. To form furrows in with or as if with a plow: plow a field.
2. To make or form with driving force: I plowed my way through the crowd.
3. To cut through (water): plow the high seas.

1. To break and turn up earth with a plow.
2. To admit of plowing: Rocky earth plows poorly.
3. To move or progress with driving force: The attackers formed a wedge and plowed through the enemy line.
4. To proceed laboriously; plod: plowed through the backlog of work.

plow back

1. To reinvest (earnings or profits) in one's business.

1. To strike with force.
2. To undertake (a task, for example) with eagerness and vigor.

1. To cause to vanish under something piled up.
2. To overwhelm, as with burdens.

[Middle English plough, plouw, from Old English plōh, plōg, plow, plowland.]