Definition of "possum" [pos•sum]

• Chiefly Southern U.S. An opossum. (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.

• "I think possum is correct in saying that the problem isn't that NASA can't estimate costs, its that the project managers will run three cost models and pick the one that they want, instead of going with the high one. (or at least justifying - with analysis - why the high model is wrong)"
• "September 10, 2008 at 11:09 am 9. The word possum,in some parts of the universe,is actually the most horrible insult ever known."
• "It's a first person account of adopting a possum from a possum rescue organization."