fascicle

noun

1. A bundle or cluster.
2. A bundle of skeletal muscle fibers surrounded by connective tissue.
3. A cluster of flowers or leaves, such as the bundles of the thin leaves (or needles) of pines.
4. A discrete bundle of vascular tissue.
5. A discrete section of a book issued or published separately, generally as a temporary measure while the work is in progress.

   “The OED [Oxford English Dictionary] was initially published in a series of 125 slim fascicles between the years 1884 and 1928. The first complete edition in ten volumes was published in 1928.”

   “I was inspired to prepare fascicles like this by the example of Charles Dickens, who issued his novels in serial form; he published a dozen installments of Oliver Twist before having any idea what would become of Bill Sikes!”

   “The printed book appeared in a variety of forms during the course of its history in China. These included, among others, the “whirlwind” binding (xuanfeng zhuang), […] the “thread” binding (xianzhuang), a technical designation that refers to the silken or cotton filaments used to stitch together folded sheets of paper into fascicles.”