1. Any tube or canal by which a fluid or other substance is conducted or conveyed.

2. (Anat.)

Defn: One of the vessels of an animal body by which the products of glandular secretion are conveyed to their destination.

3. (Bot.)

Defn: A large, elongated cell, either round or prismatic, usually found associated with woody fiber.

Note: Ducts are classified, according to the character of the surface of their walls, or their structure, as annular, spiral, scalariform, etc.

4. Guidance; direction. [Obs.] Hammond.

DUCTIBLE
Duc"ti*ble, a.

Defn: Capable of being drawn out [R.] Feltham.

DUCTILE
Duc"tile, a. Etym: [L. ductilis, fr. ducere to lead: cf. F. ductile.
See Duct.]