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fall off to decline, decrease, or diminish.
Fallopian tube in female mammals, one of a pair of narrow ducts that carry ova from the ovaries to the uterus; oviduct.
fallout the fall of radioactive particles, or the particles themselves, that result from a nuclear explosion. [2 definitions]
fallow of farmland, tilled but not planted. [4 definitions]
fallow deer a Eurasian deer that has a yellowish coat with white spots in summer.
fall under to be the concern of. [2 definitions]
false untrue or incorrect. [7 definitions]
false arrest the illegal restraint or detention of a person by another who claims to have legal authority, usu. a police officer.
false bottom a concealed compartment in the bottom of a box, suitcase, or the like.
false face a mask, usu. comical or grotesque, that covers the entire face.
false-hearted inclined to deceit and treachery.
falsehood a lie or untruth. [4 definitions]
false imprisonment any illegal detention or confinement, usu. the result of false arrest.
false keel a narrow strip attached below a ship's main keel for protection and added stability.
false pretenses intentional misrepresentation of facts, as for purposes of fraud.
false rib any of the lower five pairs of ribs that are not attached to the breastbone. (Cf. true rib.)
false step a stumble. [2 definitions]
false teeth an artificial set of teeth; dentures.
falsetto a voice pitched unnaturally high, esp. that of a male singer. [3 definitions]
falsie (informal) one of a pair of pads placed inside a brassiere to give the appearance of larger or more shapely breasts.
falsification the act of altering (documents, records, testimony, and the like) so as to make inaccurate or untrue.