[ee-see-uh m, ee-shee-]

noun, plural ae·ci·a [ee-see-uh, ee-shee-uh] /ˈi si ə, ˈi ʃi ə/. Mycology.

the fruiting body of rust fungi, which bears chainlike or stalked spores.

Nearby words

  1. aechmea,
  2. aecia,
  3. aecidia,
  4. aecidium,
  5. aeciospore,
  6. aecl,
  7. aedeagus,
  8. aedes,
  9. aedicula,
  10. aedicule

Origin of aecium

< New Latin < Greek aikíā assault, injury; see -ium

Related formsae·ci·al, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for aecia


aecidium (iːˈsɪdɪəm)

noun plural -cia (-sɪə) or -cidia (-ˈsɪdɪə)

a globular or cup-shaped structure in some rust fungi in which aeciospores are produced

Word Origin for aecium

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

Science definitions for aecia


sē-əm, ēshē-əm]

Plural aecia (ēsē-ə, ēshē-ə)

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.