duct

Meanings

Noun

• a pipe, tube or canal which carries gas or liquid from one place to another
• 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
• guidance, direction

Verb

• to enclose in a duct
• to channel something (such as a gas) or propagate something (such as radio waves) through a duct or series of ducts

Origin

• Borrowed from Latin ductus ("leading, conducting"), from dūcō + -tus. ductus, and douit. Also via Medieval Latin ductus ("a conveyance of water; a channel"), which itself has the first mentioned etymology.