ostiole
os·tiole
noun
1.
a small pore especially one in the reproductive bodies of certain algae and fungi through which spores pass
Origin
Borrowed from Latin ostiolum.
Related words
Broader terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.