The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
The most common species of armadillo, Dasypus novemcinctus, usually having nine jointed bands of bony plates. The females give birth to quadruplets from one egg.