Aphis > define
noun
- Type genus of the Aphididae: injurious to fruit trees and vegetables.
- synonyms: genus Aphis
by WordNet 3.0 © 2006 by Princeton University
(n.) A genus of insects belonging to the order Hemiptera and family Aphidae, including numerous species known as plant lice and green flies.
by Webster's Revised Unabridged Dictionary
(Military) APHIS stands for Animal and Plant Health Inspection Service
by Department of Defense Dictionary of Military and Associated Terms. 31 January 2011.