from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Retention of juvenile characteristics in the adult, occurring in mammals.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. the retention, by an adult, of juvenile characteristics
from The Century Dictionary and Cyclopedia
- n. The retention by the adult organism of infantile or juvenile characters. See pedomorphic.
pedo- + -morphism (Wiktionary)