[de.ni.er] n (15c): one that denies
[2]de.nier n [ME denere, fr. MF denier, fr. L denarius, coin worth ten asses, fr. denarius containing ten, fr. deni ten each, fr. decem ten--more at ten] (15c) 1: a small orig. silver coin formerly used in western Europe
2: a unit of fineness for yarn equal to the fineness of a yarn weighing one gram for each 9000 meters "100-denier yarn is finer than 150-denier yarn"