A band of material worn round the wrist for warmth or support.(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 "wristlet" in a sentence
"A wristlet is a small purse like wallet that a woman carrys aornd her wrist."
"When the wedding procession is about to start, after the bridegroom has been bathed and before he puts on the _kankan_ or iron wristlet which is to protect him from evil spirits, he is seated on a stool while all the male members of the household come up with their _choti_ or scalp-lock untied and rub it against that of the bridegroom."
"Is the breifcase necessary or is a wristlet too informal?"