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Webster 1913 Edition

Noun.

[L.

ventus

wind +

ductus

a leading, conduit, fr.

ducere

ductum

, to lead.]

A passage for wind or air; a passage or pipe for ventilating apartments.

Gwilt.

Noun.

[L. ventus, wind, and ductus, a canal.]

In building, a passage for wind or air; a subterraneous passage or spiracle for ventilating apartments.

ventiduct ‎(plural ventiducts)