‖n.; pl. fibrillæ [ NL. See Fibril. ] A minute thread or fiber, as one of the fibrous elements of a muscular fiber; a fibril. [ 1913 Webster ]
a. Of or pertaining to fibrils or fibers; as, fibrillar twitchings. [ 1913 Webster ]
a. Of of pertaining to fibrils. [ 1913 Webster ]
a. Furnished with fibrils; fringed. [ 1913 Webster ]
n. The state of being reduced to fibers. Carpenter. [ 1913 Webster ]