from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An ovum (egg) that has both germinal and nutritive parts
from the GNU version of the Collaborative International Dictionary of English
- n. An ovum, as that of a mammal, only partially composed of germinal matter, that is, consisting of both a germinal portion and an albuminous or nutritive one; -- opposed to
from The Century Dictionary and Cyclopedia
- n. In embryology, a meroblastic ovum; an egg or ovum containing food-yolk or nutritive protoplasm besides the formative or germinal protoplasm: distinguished from holoblast.
mero- + -blast (Wiktionary)