1 De institutione musica ('On the Fundaments of Music', beginning of the 6th c.)  Eclectic treatise influenced by the ancient Greek treatises on the theory and ethics of music, such as those of Aristotle and Ptolemy, Pythagoras and Aristoxenus.
hempen, fibrous(adj) having or resembling fibers especially fibers used in making cordage such as those of jute. fibrous, sinewy, stringy, unchewable(adj) (of meat) full of sinews; especially impossible to chew.
See also fibrous root, taproot. Any of various other plant parts that grow underground, especially an underground stem such as a corm, rhizome, or tuber. The part of a tooth that is embedded in the jaw and not covered by enamel. Mathematics. A number that, when multiplied by itself a given number of times, produces a specified number. For example, since 2 Ã 2 Ã 2 Ã 2 = 16, 2 is a fourth root of 16.