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Word of the Day Tuesday, June 9, 2026

ascus

/ˈæskəs/ noun · British & US
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What does ascus mean?

noun

A spore-bearing organ of a fungus, typically a sac or a sac-like structure. In mycology, an ascus is a part of the reproductive structure of fungi, particularly in the phylum Ascomycota.

Example

"The mycologist studied the ascus of the fungus to understand its reproductive cycle."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for ascus

Rhymes with ascus

Etymologically related