Dictionary.net

• a check issued by the officer of a bank on the banks own account (not that of a private person); "cashier's checks are as good as cash"

2006 - WordNet 3.0
By Princeton University

• a check issued by the officer of a bank on the banks own account (not that of a private person); "cashier's checks are as good as cash"

2011 - English Dictionary Database
By DataStellar Co., Ltd