endorse

en·dorse   (ěn-dôrs')    tr.v.   en·dorsed also in·dorsed, en·dors·ing also in·dors·ing, en·dors·es also in·dors·es To write one's signature on the back of (a check, for example) as evidence of the legal transfer of its ownership, especially in return for the cash or credit indicated on its face. To place (one's signature), as on a contract, to indicate approval of its contents or terms. To acknowledge (receipt of payment) by signing a bill, draft, or other instrument. To give approval of or support to, especially by public statement; sanction: endorse a political candidate. See Synonyms at approve. [Middle English endosen, from Anglo-Norman endosser, from Medieval Latin indorsāre : Latin in-, upon, in; see en-1 + Latin dorsum, back.] en·dors'a·ble adj., en·dors'er, en·dor'sor n.

endorse 

endorse

To sign a negotiable instrument in order to transfer it to another party. For example, investors holding securities must endorse the certificates before delivery to the broker.

Main Entry: en·dorse
Variant: also in·dorse /in-'dors/
Function: transitive verb
Inflected Forms: en·dorsed also in·dorsed; en·dors·ing also in·dors·ing
Etymology: Anglo-French endosser endorser and Medieval Latin indorsare, both ultimately from Latin in on + dorsum back
1 : to write on the back of; especially : to sign one's name as payee on the back of (an instrument) in order to receive the cash or credit represented on the face <endorse a check>
2 : to inscribe (as one's signature or a notation accompanied by one's signature) on an instrument (as a note or bill) esp. to transfer or guarantee it
3 : to transfer (an instrument) to another by inscribing one's signature endorses a note to creditor as security for a debt —Uniform Commercial Code>
4 : to inscribe (as an official document) with a notation (as of date or title)—endorse in blank : to inscribe (an instrument) with a blank endorsement