cotyledons

/K OW0 T AY0 L D AH0 N Z/
noun
  1. 1

    Each of the patches of vili on the foetal chorion in the placenta of ruminants and some other mammals.

  2. 2

    The leaf of the embryo of a seed-bearing plant; after germination it becomes the first leaves of the seedling.

Synonyms

Source: https://en.wiktionary.org/wiki/cotyledon, https://en.wiktionary.org/wiki/cotyledons