/ōˌvōvīˈvip(ə)rəs/ /-vəˈvip-/
Adjective
1. Of or pertaining to such kind of animals such as some reptiles whose eggs hatch inside their body. (wiktionary.org)
2. Producing eggs that develop within the maternal body (as of various fishes or reptiles) and hatch within or immediately after release from the parent. (merriam-webster.com)
3. Producing living young from eggs that hatch within the body. (wordnetweb.princeton.edu)
Word origin: From Latin ovum “egg,” cognate with Greek oon, Old Norse egg, Old English æg + from Late Latin viviparus “bringing forth alive,” from Latin vivus “alive, living” + parere “bring forth, bear.”