‖n.; pl. L. Oosporangia E. Oosporangiums [ NL., fr. Gr. w, 'o`n an egg + &unr_; vessel. ] (Bot.) An oogonium; also, a case containing oval or rounded spores of some other kind than oospores. [ 1913 Webster ]

‖n.; pl. -sporangia [ NL. See Zoo-, and Sporangium. ] (Bot.) A spore, or conceptacle containing zoospores. [ 1913 Webster ]