- any tube, canal, pipe, or conduit by which a fluid, air, or other substance is conducted or conveyed.
- Anatomy, Zoology. a tube, canal, or vessel conveying a body fluid, especially a glandular secretion or excretion.
- Botany. a cavity or vessel formed by elongated cells or by many cells.
- Electricity. a single enclosed runway for conductors or cables.
- Printing. (in a press) the reservoir for ink.
- to convey or channel by means of a duct or ducts: Heat from the oven is ducted to the outside.
Origin of duct
Examples from the Web for duct
With a bit of luck and duct tape, I thought we might put together enough votes to avoid a runoff.How Thad Cochran Pulled Off a Win Over Chris McDaniel (Simple, Really)
June 30, 2014
The windows were sealed shut around the edges by duct tape but still rattled when it got windy.Almost Famous: A Father's Day Story
June 15, 2014
He binds the little flyer with black plastic ties and seals her mouth with duct tape.The Stacks: The Searing Story of How Murder Stalked a Tiny New York Town
E. Jean Carroll
April 19, 2014
Nobody was allowed in his room, where the windows were covered with black garbage bags secured with duct tape.We Already Know What Adam Lanza’s Real Motive Was at Sandy Hook
November 26, 2013
The large roll of duct tape was still attached and found next to her head by firefighters.Autopsies on Hannah Anderson’s Family Bring Police No Closer to a Motive
September 24, 2013
Into this duct the ranks of cells around it pour out the peptic juice.A Handbook of Health
I heard a muffled clank; then a hum began, echoing up the duct.
I reached the top of the duct and pushed against the slot cover.
And there was that hazard here, for every duct looked like every other one.Gold in the Sky
Alan Edward Nourse
The operator then carefully examines the duct preparatory to cutting it.Fur Farming For Profit
Hermon Basil Laymon
- a tube, pipe, or canal by means of which a substance, esp a fluid or gas, is conveyed
- any bodily passage, esp one conveying secretions or excretions
- a narrow tubular cavity in plants, often containing resin or some other substance
- Also called: conduit a channel or pipe carrying electric cable or wires
- a passage through which air can flow, as in air conditioning
- the ink reservoir in a printing press
Word Origin and History for duct
1640s, "course, direction," from Latin ductus "a leading," past participle of ducere "to lead" (see duke (n.)). Anatomical sense is from 1660s. Meaning "conduit, channel" is 1713; that of "air tube in a structure" is from 1884.
- A tubular bodily canal or passage, especially one for carrying a glandular secretion such as bile.
- A tube or tubelike structure through which something flows, especially a tube in the body for carrying a fluid secreted that is by a gland.