Flask-shaped asexual structure containing conidia

Wiktionary Word definitions in Wiktionary
n. In certain fungus, a flask-shaped cavity from the surface of the inner walls of which spores are produced.

Wikipedia Word definitions in Wikipedia
A pycnidium (plural pycnidia ) is an asexual fruiting body produced by mitosporic fungi in the form order Sphaeropsidales ( Deuteromycota , Coelomycetes ). It is often spherical or inversely pearshaped ( obpyriform ) and its internal cavity is lined with ...

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Pycnidium \Pyc*nid"i*um\, n.; pl. Pycnidia . [NL., fr. Gr. ? crowded.] (Bot.) In certain fungi, a flask-shaped cavity from the surface of the inner walls of which spores are produced.

WordNet Word definitions in WordNet
n. flask-shaped asexual structure containing conidia [also: pycnidia (pl)]