Why ducts?

[mfb]

Today my 6 year old asked me a question that I did not have the answer to. So I hope you all can help me. His question was, "Why do they call them ducts?".

Seems like a really good question to me. Thanks for the help.
MikeB

[jrbenny]

A duct is simply something that transports fluid.

tear duct
bile duct
aqueduct

We use air ducts.

[dan sw fl]

Dictionary.com Unabridged (v 1.1) - Cite This Source

duct /dʌkt/ Pronunciation Key - Show Spelled Pronunciation[duhkt]

Pronunciation Key - Show IPA Pronunciation
–noun 1. any tube, canal, pipe, or conduit by which a fluid, air, or other substance is conducted or conveyed.

2. Anatomy, Zoology. a tube, canal, or vessel conveying a body fluid, esp. a glandular secretion or excretion.

3. Botany. a cavity or vessel formed by elongated cells or by many cells.

4. Electricity. a single enclosed runway for conductors or cables.

5. Printing. (in a press) the reservoir for ink.
–verb (used with object) 6. to convey or channel by means of a duct or ducts: Heat from the oven is ducted to the outside.

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[Origin: 1640–50; < L ductus conveyance (of water), hence channel (in ML), equiv. to duc- (var. s. of dūcere to lead) + -tus suffix of verbal action]

[dash]

Well the Romans had Aqua Ducts ,so ask them.

[deejoe]

I think that the Ducts are playing hockey for the Stanley cup starting to-nite, against the Ottawa Senators .

[voleye]

quack quack

[Shophound]

C? M R ducts!

M R not ducts!

M R2 ducts!

O, I C 1 duct.

M R 2 ducts!

O I C! M R 2 ducts!

[deejoe]

U C 2 DUCTS ??
I 2 C 3 DUCTS
I C 3 DUCTS !!
Y, I C 4 DUCTS !!!
U R CN 4 DUCTS ???
G,Y, I M CN B's 2 ,'N J's 2
'N U?
9,9, I C 4, OK?
U R NUTS 2,
O?, Y U R 2
Y, FU 2 !!!
CU