Definition of viviparous
1 : producing living young instead of eggs from within the body in the manner of nearly all mammals, many reptiles, and a few fishes
2 : germinating while still attached to the parent plant <the viviparous seed of the mangrove>
Origin and Etymology of viviparous
Latin viviparus, from vivus alive + -parus -parous
First Known Use: 1646
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