A fimbria (plural fimbriae, adjective fimbriate) is a Latin word that literally means 'fringe.' It is commonly used in science and medicine, with its meaning depending on the field of study or the context. A fimbria (plural fimbriae, adjective fimbriate) is a Latin word that literally means 'fringe.' It is commonly used in science and medicine, with its meaning depending on the field of study or the context. Fimbria may refer to: Fimbriate: