(noun, verb)


1. a bodily passage or tube lined with epithelial cells and conveying a secretion or other substance

- the tear duct was obstructed

Similar word(s): canal, channel

Definition categories: body, passage, passageway

2. a continuous tube formed by a row of elongated cells lacking intervening end walls

Definition categories: plant

3. an enclosed conduit for a fluid

Definition categories: man–made, conduit

Sentences with duct as a noun:

- heating and air-conditioning ducts

- […] otherwise to express His care and love to mankind, viz., in giving and consigning to them His written word for a rule and constant director of life, not leaving them to the duct of their own inclinations. — Henry Hammond.


1. To channel something through a duct (or series of ducts)