D defs.my
Entry 1 sense Webster, 1913

Metadiscoidal

· Met·a·dis·coid·al · IPA
01 a. Discoidal by derivation; -- applied especially to the placenta of man and apes, because it is supposed to have been derived from a diffused…
  1. 1.
    Discoidal by derivation; -- applied especially to the placenta of man and apes, because it is supposed to have been derived from a diffused placenta.(Anat.)