Fibrilla

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  fibrilla \fi*bril"la\, n.; pl. {fibrill[AE]}. [NL. See
     {Fibril}.]
     A minute thread or fiber, as one of the fibrous elements of a
     muscular fiber; a fibril.
     [1913 Webster]