from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A characteristic evolved by an ancestral species or population that serves an adaptive though different function in a descendant species or population.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An adaptation that evolved in an ancestral population, in which it served a different function
from The Century Dictionary and Cyclopedia
- n. Previous adaptation; previous adjustment or conformation to some particular end.
Sorry, no etymologies found.