To protest a bill

(Law) to make a solemn written declaration, in due form, on behalf of the holder, against all parties liable for any loss or damage to be sustained by the nonacceptance or the nonpayment of the bill or note, as the case may be. This should be made by a notary public, whose seal it is the usual practice to affix.
- Kent.

See also: Protest

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.