/ Dictionary / Index A aphis: Meaning and Definition of Find definitions for: a•phis Pronunciation: (ā'fis, af'is), [key] — pl. a•phi•des an aphid, esp. of the genus Aphis. APHIS Pronunciation: [key] Animal and Plant Health Inspection Service. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: aphis (Thesaurus) aphid lion aphonia Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language