semioviparous[sem′ē ō vip′ər əs]
semioviparous definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
Zool. producing living young whose natal development is incomplete, as marsupials
Origin: semi- plush oviparous
semioviparous definition by American Heritage Dictionary
Bearing living young that are incompletely developed, as a kangaroo or other marsupial.