INDORSE, verb transitive indors'. [Latin in and dorsum, the back.] 1. To write on the back of a paper or written instrument; as, to indorse a note or bill of exchange; to indorse a receipt or assignment on a bill or note. Hence, 2. To assign by writing an order on the back of a note or bill; to assign or transfer by indorsement. The bill was indorsed to the bank. To indorse in blank, to write a name only on a note or bill, leaving a blank to be filled by the indorsee.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI