from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Sexual reproduction.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The genetic origin of an individual derived from material from both parents (by sexual reproduction)
- n. descent from a common ancestor
from the GNU version of the Collaborative International Dictionary of English
- n. A theory of generation in which each germ is supposed to contain the germs of all subsequent generations; -- the opposite of
from The Century Dictionary and Cyclopedia
- n. Reproduction in which a male and a female take part, one furnishing spermatozoa and the other an ovum, so that the substance of the embryo is actually derived from both parents.
syn- + -genesis (Wiktionary)