sliver

A slender piece cut, split, or broken off; a splinter.

A small narrow piece, portion, or plot.

A continuous strand of loose fiber, such as wool, flax, silk, or cotton, ready to be roved or spun.

To split or become split into slivers.

A piece, as of wood, roughly or irregularly broken, rent, or cut off or out, generally lengthwise or with the grain; a splinter.