teliospore

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A thick-walled, dikaryotic, often overwintering spore of most rust and smut fungi, which germinates to form a basidium.

from The Century Dictionary.

• noun Same as teleutospore.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A teleutospore.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a chlamydospore that develops in the last stage of the life cycle of the rust fungus