n. 1. An often enclosed passage or channel for conveying a substance, especially a liquid or gas. 2. Anatomy A tubular bodily canal or passage, especially one for carrying a glandular secretion: a tear duct. 3. A tube or pipe for enclosing electrical cables or wires. tr.v. duct·ed, duct·ing, ducts 1. To channel through a duct: duct the moist air away. 2. To supply with ducts. [Latin ductus, act of leading, from past participle of dūcere, to lead; see deuk- in the Appendix of Indo-European roots.] ductal adj. ductless adj. |
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