viviparous

adjective

UK/vɪˈvɪp.ᵊr.əs/

US/vaɪˈvɪp.ᵊr.əs/

Definitions of viviparous adjective

biology
Describing animals that give birth to live young which have developed inside the mother's body, rather than laying eggs.
- Most mammals are viviparous.
- Some species of sharks are viviparous, with the young developing inside the mother.
- Viviparous animals provide better protection and a more controlled environment for the development of their offspring.