What is "chalazae"

Chalaza \Cha*la"za\, n.; pl. E. Chalazas, L. Chalaz[ae].

1. (Bot.) The place on an ovule, or seed, where its outer coats cohere with each other and the nucleus.

2. (Biol.) A spiral band of thickened albuminous substance which exists in the white of the bird's egg, and serves to maintain the yolk in its position; the treadle.

n. (plural of chalaza English)

See chalaza

1. n. basal part of a plant ovule opposite the micropyle; where integument and nucellus are joined

2. one of two spiral bands of tissue connecting the egg yolk to the enclosing membrane at either end of the shell

3. [also: chalazae (pl)]