A band, as on a long sleeve or a wristwatch, that encircles the wrist.(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.
Use "wristband" in a sentence
"On entering the park, the wristband is placed on the child's arm."
"The search team found Welsh's eyeglasses, wallet, shirt and the watch with the silver chain wristband that he wore, but Larry was not seen again."
"When sewing, you can call attention to the fact that sewing-silk splits much better for being first drawn through the wax; and that a wristband is put on before the sleeve is sewed, because it can be managed more conveniently."