[ee-see-uh m, ee-shee-]
- the fruiting body of rust fungi, which bears chainlike or stalked spores.
Origin of aecium
< New Latin < Greek aikíā assault, injury; see -ium
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- a globular or cup-shaped structure in some rust fungi in which aeciospores are produced
C19: New Latin, from Greek aikia injury (so called because of the damage the fungi cause)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
- A cuplike structure of some rust fungi that contains chains of aeciospores. Aecia usually form on the bottom surface of leaves.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.