duct

The definition of a duct is a tube, channel or passage that gas or liquid move through.

(noun)

An example of a duct is the piping through which air conditioning enters into an office.

See duct in Webster's New World College Dictionary

noun

a tube, channel, or canal through which a gas or liquid moves
a tube in the body for the passage of excretions or secretions: a tear duct, bile duct
a conducting tubule in plant tissues, esp. one containing resin, latex, etc.
a pipe or conduit through which wires or cables are run, air is circulated or exhausted, etc.

Origin: ML ducta, conduit < L ductus, a leading, conducting, pp. of ducere, to lead < IE base *deuk-, to pull > tow, tug, L dux, leader

Related Forms:

See duct in American Heritage Dictionary 4

noun

An often enclosed passage or channel for conveying a substance, especially a liquid or gas.
Anatomy A tubular bodily canal or passage, especially one for carrying a glandular secretion: a tear duct.
A tube or pipe for enclosing electrical cables or wires.

transitive verb duct·ed, duct·ing, ducts