age + mate
agemate (plural agemates)
- One who is the same age as another person.
- 2009, Judith Rich Harris, The Nurture Assumption: Why Children Turn Out the Way They Do, Free Press (2009), ↑ISBN, page 147:
- Twins are in an unusual situation: they have an agemate to play with from Day One.
- For more examples of usage of this term, see Citations:agemate.