Breadcrumb Home > Dictionary > Index A aecium: Meaning and Definition of Find definitions for: ae•ci•um Pronunciation: (ē'sē-um, ē'shē-), [key] — pl. ae•ci•a the fruiting body of rust fungi, which bears chainlike or stalked spores. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: aecium (Thesaurus) aeciospore A.Ed. TrendingHere are the facts and trivia that people are buzzing about. Biographies: Notable Jewish Religious Leaders Current Events This Week: September 2023 Hispanic Population and the 2010 U.S. Census Preamble of the United Nations Charter The Jewish Calendar ✖ Related Content Daily Word Quiz: nosegay Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language