chalaza

• POS: Noun
• HYPHEN: cha=la=za

CIDE DICTIONARY

chalaza, n. [NL., fr. Gr. hail, pimple.].

•  The place on an ovule, or seed, where its outer coats cohere with each other and the nucleus.  [1913 Webster]
•  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]

OXFORD DICTIONARY

chalaza, n. (pl. chalazae) each of two twisted membranous strips joining the yolk to the ends of an egg.

Etymology

mod.L f. Gk, = hailstone