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)
Giving birth to live young which have developed inside the mother by means of a plancenta and umbilical cord Some sharks, such as the gray smoothhound are viviparous
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 oviparous
Describes plant that forms plantlets on leaves, infloresences, or stems Also applied loosely to plants that produce bulbils or bulblets on these organs