Chalaza

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

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.