Result from Foreign Dictionaries (2 entries found)
From The Collaborative International Dictionary of English v.0.48 [gcide]:
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]
From WordNet (r) 3.0 (2006) [wn]:
archegonium
n 1: a female sex organ occurring in mosses, ferns, and most
gymnosperms