Chalaza
Pronunciation : Cha*la"za, n.; pl. E. Chalazas
Part of Speech : L.
Etymology : [NL., fr. Gr.
Definition : 1. (Bot.)
Defn: The place on an ovule, or seed, where its outer coats cohere with each other and the nucleus.
2. (Biol.)
Defn: 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.
Chalaz
Source : Webster's Unabridged Dictionary, 1913