backfurrow noun 1verb 1forms 3 noun1 •The line of piled soil thrown up beside a furrow when it is created by a plowHarrow sections are usually held together by bolts and projecting eyes which permit them to follow the contours of terraces and backfurrows. — 1977 verb1 •To throw or turn the soil in alternating directions for every other row that is plowed, so that every pair of furrows has a single backfurrow with clear areas on the outside.Before planting, an attempt was made to list the ground, the land being ridged with an ordinary walking plow by backfurrowing. — 1923 formsbackfurrowed · backfurrowing · backfurrows