sporangium
spo.ran.gi.um \sp*-'ran-je--*m\ \-je--*\ n or spo.ran.gia [NL, fr. spor- + Gk angeion vessel - more at ANGI-] pl : a case within which usu. asexual spores are produced whether a cell (as in bacteria or algae) producing spores endogenously or a complex structure (as in a fern)