n. Leading; guidance; direction; bearing.n. Any tube or canal by which a fluid is conducted or conveyed.n. In bot.:n. A long continuous vessel or canal, formed by a row of cells which have lost their intervening partitions. The walls are variously marked by pits and by spiral, annular, or reticulated thickenings, and the cavity may be filled with air or water, or they may be lactiferous.n. In bryology, the narrow continuous cells which surround the utricles in the leaves of Sphagnum.To draw: said of muscles which abduct, adduct, or circumduct a part, such as the leg or the eye.