'Cashier's check' definitions:

Definition of 'cashier's check'

From: WordNet
noun
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" [syn: cashier's check, treasurer's check, cashier's cheque, treasurer's cheque]

Definition of 'Cashier's check'

From: GCIDE
  • Cashier's check \Cash*ier's" check\ (Banking) A check drawn by a bank upon its own funds, signed by the cashier. [Webster 1913 Suppl.]