English Dictionary

Any tube or canal by which a fluid or other substance is conducted or conveyed.
Source : opted (48509)  - auto

One of the vessels of an animal body by which the products of glandular secretion are conveyed to their destination.
Source : opted (48510)  - auto

A large, elongated cell, either round or prismatic, usually found associated with woody fiber.
Source : opted (48511)  - auto

Guidance; direction.
Source : opted (48512)  - auto