eggling

noun2

1. •
   A small, miniature, undersized, or underdeveloped egg.

   • "Ode X" in 1834, Charles L. S. Jones, American Lyrics One Lovling scarcely's fledg'd. One, yet, An eggling still remains; A third, from forth the broken shell, In chirping notes, complains.
2. •
   (no longer used) The sale of eggs; the trade of an eggler.

   • The death of Dobbin of old age had put an end to his master's eggling, for he had no capital with which to buy another horse. — 1945