zoosporangium

noun

zoo·​spo·​ran·​gi·​um ˌzō-ə-spə-ˈran-jē-əm 

: a spore case or sporangium bearing zoospores

Word History

Etymology

probably borrowed from German Zoosporangium (in plural Zoosporangien), from zoo- zoo- + Sporangium sporangium

First Known Use

1874, in the meaning defined above

Medical Definition

zoosporangium

noun

zoo·​spo·​ran·​gi·​um ˌzō-ə-spə-ˈran-jē-əm 

plural zoosporangia -jē-ə 

: a sporangium bearing zoospores