1. (a.) Conveying outward, or discharging; -- applied to certain blood vessels, lymphatics, nerves, etc.

2. (a.) Conveyed outward; as, efferent impulses, i. e., such as are conveyed by the motor or efferent nerves from the central nervous organ outwards; -- opposed to afferent.

3. (n.) An efferent duct or stream.