Definitions of ovule

1. The rudiment of a seed. It grows from a placenta, and consists of a soft nucleus within two delicate coatings. The attached base of the ovule is the hilum, the coatings are united with the nucleus at the chalaza, and their minute orifice is the foramen.

2. An ovum.

3. A body borne by the placenta of a plant, and destined to become a seed.

4. The megasporangium of a seed- plant ; any small egg or egg- like structure.