Duct

//dʌkt// noun, verb

noun, verb ·Moderate ·High school level

Definitions

Noun
  1. 1
    A pipe, tube or canal which carries gas or liquid from one place to another.

    "heating and air-conditioning ducts"

  2. 2
    an enclosed conduit for a fluid wordnet
  3. 3
    A pipe, tube or canal which carries gas or liquid from one place to another.; An enclosure or channel for electrical cable runs, telephone cables, or other conductors.
  4. 4
    a bodily passage or tube lined with epithelial cells and conveying a secretion or other substance wordnet
  5. 5
    A pipe, tube or canal which carries gas or liquid from one place to another.; A vessel for conveying lymph or glandular secretions such as tears or bile.
Show 4 more definitions
  1. 6
    a continuous tube formed by a row of elongated cells lacking intervening end walls wordnet
  2. 7
    A pipe, tube or canal which carries gas or liquid from one place to another.; A tube or elongated cavity (such as a xylem vessel) for conveying water, sap, or air.
  3. 8
    A layer (as in the atmosphere or the ocean) which occurs under usually abnormal conditions and in which radio or sound waves are confined to a restricted path.
  4. 9
    Guidance, direction. obsolete

    "[…] 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."

Verb
  1. 1
    To enclose in a duct. transitive
  2. 2
    To channel something (such as a gas) or propagate something (such as radio waves) through a duct or series of ducts. transitive

Example

More examples

"I was told my tear duct was blocked."

Etymology

Borrowed from Latin ductus (“leading, conducting”, noun), from dūcō (“to lead, conduct, draw”) + -tus (action noun suffix). Doublet of ductus and douit. Also via Medieval Latin ductus (“a conveyance of water; a channel”), which itself has the first mentioned etymology.

Related phrases

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.