a. [ L. falx, falcis, a sickle + -form: cf. F. falciforme. ] Having the shape of a scithe or sickle; resembling a reaping hook; as, the falciform ligatment of the liver. [ 1913 Webster ]

a. [ L. filum thread + -form: cf. F. filiforme. ] Having the shape of a thread or filament; as, the filiform papillæ of the tongue; a filiform style or peduncle. See Illust. of Antennæ. [ 1913 Webster ]