halones

from The Century Dictionary.

• noun Plural of halo, 4.

from the GNU version of the Collaborative International Dictionary of English.

• noun plural (Biol.) Alternating transparent and opaque white rings which are seen outside the blastoderm, on the surface of the developing egg of the hen and other birds.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun biology Alternating transparent and opaque white rings which are seen outside the blastoderm, on the surface of the developing egg of the hen and other birds.