Definition of "dander" [dan•der]

• Informal Temper or anger: What got their dander up? (noun)
• Scurf from the coat or feathers of various animals, often of an allergenic nature. (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.

• "Cat dander is the only thing which makes me have terrible trouble breathing – my lungs, throat, I get itchy, sneezy, wheezy … and only seems worse, not better, with time around cats."
• "Thanks to her doctor’s recommendations she finds herself feeling decafargic by noon. cardiacpopups – the messages that popup on your computer when you are in the middle of an important project and warn you that your computer is about to conk out. on 07 Sep 2007 at 5: 52 pm Kimberly defurrify – to remove pet hair/dander from a person or thing on 07 Sep 2007 at 6: 12 pm Heather"
• "When a pet licks itself and the saliva dries, protein particles called dander become airborne."