branding iron

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun An iron that is heated and used for indicating identity or ownership.

from The Century Dictionary.

• noun Same as brand-iron, 3.

from the GNU version of the Collaborative International Dictionary of English.

• An iron to brand with.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A piece of metal bent into a distinctive shape, heated and used to brand livestock.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun implement used to brand live stock