1. adj., n., & v.
--adj.
1. a (of land) ploughed and harrowed but left unsown for a year. b uncultivated.
2 (of an idea etc.) potentially useful but not yet in use.
3 inactive.
4 (of a sow) not pregnant.
--n. fallow or uncultivated land.
--v.tr. break up (land) for sowing or to destroy weeds.
Derivatives:
fallowness n.
Etymology: ME f. OE fealh (n.), fealgian (v.) 2. adj. of a pale brownish or reddish yellow.
Phrases and idioms:
fallow deer any small deer of the genus Dama, having a white-spotted reddish-brown coat in the summer.
Etymology: OE falu, fealu f. Gmc