Oocyte

[oh-uh-sahyt] /ˈoʊ əˌsaɪt/

noun, Cell Biology.
1.
an immature egg cell of the animal ovary; in humans, one oocyte matures during the menstrual cycle, becoming an ootid and then an ovum, while several others partially mature and then disintegrate.
/ˈəʊəˌsaɪt/
noun
1.
an immature female germ cell that gives rise to an ovum after two meiotic divisions
n.

1895, from oo- + -cyte (see cyto-).

oocyte o·o·cyte (ō’ə-sīt’)
n.
A cell from which an egg or ovum develops by meiosis; a female gametocyte.
oocyte
(ō’ə-sīt’)
A diploid cell that undergoes meiosis to form eggs.