Definition of "addax" [ad•dax]

• An antelope (Addax nasomaculatus) of northern Africa having long, spirally twisted horns. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "As a result, Texas now has more than a quarter million exotic animals, mostly from Africa and Asia, of which three—the scimitar-horned oryx, the addax, and the Dama gazelle—have been brought back from the brink of extinction."
• "However, addax were rare and reliable survey techniques were needed, as was also a wildlife census including the participation of local people."
• "One-sixth of the reserve is a sanctuary for addax."