S: (n) spindle ((biology) tiny fibers that are seen in cell division; the fibers radiate from two poles and meet at the equator in the middle) "chromosomes are distributed by spindles in mitosis and meiosis"
S: (n) loofa, loofah, luffa, loufah sponge (the dried fibrous part of the fruit of a plant of the genus Luffa; used as a washing sponge or strainer)
S: (n) oakum (loose hemp or jute fiber obtained by unravelling old ropes; when impregnated with tar it was used to caulk seams and pack joints in wooden ships)