1. zoology giving birth to living offspring that develop within the mother's body. most mammals and some other animals are viviparous.
2. botany germinating or producing seeds that germinate before becoming detached from the parent plant, as in the mangrove.
3. botany producing bulbils or new plants rather than seed, as in the tiger lily.

1. being born alive, as are most mammals, some reptiles, and a few fish (as opposed to being laid as an egg and subsequently hatching, as do most birds and many other species).
2. arising from an embryo that develops from the outset (rather than from a true seed that then germinates).

1. producing young in a living state, as most mammals, or as those plants the offspring of which are produced alive, either by bulbs instead of seeds, or by the seeds themselves germinating on the plant, instead of falling, as they usually do; -- opposed to

1. bringing forth alive; having young which maintain vascular vital connection with the body of the parent until they are born in a comparatively advanced stage of development; reproducing by birth, not by hatching from an egg which is laid and afterward incubated: correlated with oviparous and ovoviviparous. see these words, and egg.
2. in botany, germinating or sprouting from a seed or bud which is still on the parent plant.

1. producing living young (not eggs)