tetrasporangium

[ te-truh-spaw-ran-jee-uh m, -spoh- ]
/ ˌtɛ trə spɔˈræn dʒi əm, -spoʊ- /

noun, plural tet·ra·spo·ran·gi·a [te-truh-spaw-ran-jee-uh, -spoh-] /ˌtɛ trə spɔˈræn dʒi ə, -spoʊ-/. Botany.

a sporangium containing four asexual spores.

Origin of tetrasporangium

First recorded in 1885–90; tetra- + sporangium