vi·vip·a·rous (vī-vĭpər-əs, vĭ-)
1. Zoology Giving birth to living offspring that develop within the mother's body. Most mammals and some other animals are viviparous.
a. Germinating or producing seeds that germinate before becoming detached from the parent plant, as in the mangrove.
b. Producing bulbils or new plants rather than seed, as in the tiger lily.
[From Latin vīviparus : vīvus, alive; see gwei- in the Appendix of Indo-European roots + -parus, -parous.]
vi′vi·pari·ty (vī′və-părĭ-tē, vĭv′ə-) n.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.