The Collaborative International Dictionary
Oosporangiums
Oosporangium \O`["o]*spo*ran"gi*um\, n.; pl. L. O["o]sporangia, E. O["o]sporangiums. [NL., fr. Gr. w,'o`n an egg + ? vessel.] (Bot.) An o["o]gonium; also, a case containing oval or rounded spores of some other kind than o["o]spores.