Found 2 items, similar to ascus.
English → English (WordNet) Definition: ascus ascus n : saclike structure in which ascospores are formed through sexual reproduction of ascomycetes [also: asci (pl)]
English → English (gcide) Definition: Ascus Ascus \As"cus\, n.; pl. Asci. [NL., fr. Gr. ? a bladder.] (Bot.) A small membranous bladder or tube in which are inclosed the seedlike reproductive particles or sporules of lichens and certain fungi. [1913 Webster]