[vi.vip.a.rous] adj [L viviparus, fr . vivus alive + -parus -parous] (1646) 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 ~ seed of the mangrove" -- vi.vip.a.rous.ly adv