Omphalodium

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Omphalode \Om"pha*lode\, n. [Omphalo- + Gr. e'i^dos form.]
     (Bot.)
     The central part of the hilum of a seed, through which the
     nutrient vessels pass into the rhaphe or the chalaza; --
     called also {omphalodium}.
     [1913 Webster]