/ Dictionary / Index A armilla: Meaning and Definition of Find definitions for: ar•mil•la Pronunciation: (är-mil'u), [key] — pl. -mil•lae -mil•las. armill. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: armilla (Thesaurus) armill armillaria root rot Related Content Daily Word Quiz: agitated Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language