a. Obs. [f. FIBRILLA + -OUS.] a. Full of fibrils; composed of fibrils. b. Of or pertaining to a fibril.
1737. D. Bayne, Nerves, 14. Hence arise those uneasy Sensations, Pains, fibrillous Spasms, &c.
1746. W. Arderon, in Phil. Trans., XLIV. 427. Its little fibrillous Fins are always in Motion. Ibid. (1748), XLV. 322. The Distemper still gained Ground; and as it increased, a fine fibrillous Substance grew out from it.
1765. Sterne, Tr. Shandy, VII. xxxi. O! there is a sweet era in the life of man, when, the brain being tender and fibrillous, and more like pap than anything else, a story read of two fond lovers separated from each other by cruel parents, and by still more cruel destiny.
