(agriculture, uncountable) Ground ploughed and harrowed but left unseeded for one year. / (agriculture, uncountable) Uncultivated land. / The ploughing or tilling of land, without sowing it for a season.

(of agricultural land) Ploughed but left unseeded for more than one planting season. / (of agricultural land) Left unworked and uncropped for some amount of time. / (figuratively) Inactive; undeveloped.

(transitive) To make land fallow for agricultural purposes.

(color) Of a pale red or yellow, light brown; dun.

plural of fallow (uncultivated land)

Third-person singular simple present indicative form of fallow

simple past tense and past participle of fallow

Of land, ploughed but left unseeded.

present participle of fallow

A period during which a field is left fallow.