01 n. Any tube or canal by which a fluid or other substance is conducted or conveyed.
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1.
Any tube or canal by which a fluid or other substance is conducted or conveyed.
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2.
One of the vessels of an animal body by which the products of glandular secretion are conveyed to their destination.(Anat.)
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3.
A large, elongated cell, either round or prismatic, usually found associated with woody fiber.(Bot.)
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4.
Guidance; direction.[Obs.]