'Chalazas' definitions:
Definition of 'Chalazas'
From: GCIDE
- Chalaza \Cha*la"za\, n.; pl. E. Chalazas, L. Chalaz[ae]. [NL., fr. Gr. ? hail, pimple.]
- 1. (Bot.) The place on an ovule, or seed, where its outer coats cohere with each other and the nucleus. [1913 Webster]
- 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. [1913 Webster]