A fascicle is a bundle or a cluster. Fascicle may also refer to: Muscle fascicle, in anatomy, a bundle of skeletal muscle fibers surrounded by connective tissue Nerve fascicle, in anatomy, a larger bundle of fibers enclosed by the perineurium a bundle of thin leaves of pines A discrete section of a book issued or published separately. Small clusters of flowers in the botanical description of flowering plants… (More on Fascicle)