The Collaborative International Dictionary
Fimbrial
Fimbria \Fim"bri*a\, n.; pl. Fimbri[ae]. [L., fringe. See Fringle.] (Anat.)
pl. A fringe, or fringed border.
A band of white matter bordering the hippocampus in the brain. -- Fim"bri*al, a.
Wiktionary
fimbrial
a. Of or pertaining to the fimbriae