o|o|go|ni|um

o|o|go|ni|um «_OH uh GOH nee uhm», noun, plural -ni|a «-nee uh», -ni|ums.

1. Biology. a primitive germ cell that divides and gives rise to the oocytes.

2. Botany. the female reproductive organ in various thallophytes, usually a rounded cell or sac containing one or more oospheres.

╂[< New Latin oogonium < Greek ōión egg + gónos producing]