D defs.my
Entry 1 sense Webster, 1913

Microsporangium

· Mi·cro·spo·ran·gi·um · IPA
01 n. A sporangium or conceptacle containing only very minute spores. Cf. Macrosporangium.
  1. 1.
    A sporangium or conceptacle containing only very minute spores. Cf. Macrosporangium.(Bot.) See: Macrosporangium