a. Obs. [f. L. fīlum thread + -ACEOUS.] Consisting of thread-like parts.
1626. Bacon, Sylva, § 614. It is the Stalke that maketh the Filaceous Matter commonly; And sometimes the Downe that groweth aboue.
1694. Westmacott, Scripture Herbal (1695), 194. Of the filacious matter of the Bark Cables are made.