Found 2 items, similar to archegonium.
English → English (WordNet) Definition: archegonium archegonium n : a female sex organ occurring in mosses, ferns, and most gymnosperms [also: archegonia (pl)]
English → English (gcide) Definition: Archegonium Archegonium \Ar`che*go"ni*um\, n. [NL., fr. Gr. ? the first of a race.] (Bot.) The pistillidium or female organ in the higher cryptogamic plants, corresponding to the pistil in flowering plants. [1913 Webster]