|1.||a tube, pipe, or canal by means of which a substance, esp a fluid or gas, is conveyed|
|2.||any bodily passage, esp one conveying secretions or excretions|
|3.||a narrow tubular cavity in plants, often containing resin or some other substance|
|4.||Also called: conduit a channel or pipe carrying electric cable or wires|
|5.||a passage through which air can flow, as in air conditioning|
|6.||the ink reservoir in a printing press|
|[C17: from Latin ductus a leading (in Medieval Latin: aqueduct), from dūcere to lead]|
A tubular bodily canal or passage, especially one for carrying a glandular secretion such as bile.