en·dorse (ĕn-dôrs) also in·dorse (ĭn-)
tr.v. en·dorsed, en·dors·ing, en·dors·es also in·dorsed or in·dors·ing or in·dors·es
a. To express approval of or give support to, especially by public statement; sanction: endorse a change in policy; endorse a political candidate.
b. To recommend (a product), often in exchange for payment, as in an advertisement.
2. To write one's signature on the back of (a check) to obtain the amount payable or to make the amount payable available to a third party or to the bearer.
3. To write one's signature on the back of (an instrument) to transfer the rights available under that instrument to another party.
4. To place (one's signature), as on a contract, to indicate approval of its contents or terms.
5. To acknowledge (receipt of payment) by signing a bill, draft, or other instrument.
[Middle English endosen, to sign (a document, originally by writing on its back), approve, from Anglo-Norman endosser, from Medieval Latin indorsāre : Latin in-, upon, in; see EN-1 + Latin dorsum, back.]
en·dorser, en·dorsor n.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2017 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
The American Heritage Dictionary Blog
Check out our blog, updated regularly, for new words and revised definitions, interesting images from the 5th edition, discussions of usage, and more.
American Heritage Dictionary Products
The American Heritage Dictionary, 5th Edition
The American Heritage Dictionary of Idioms
The American Heritage Roget's Thesaurus
Curious George's Dictionary
The American Heritage Children's Dictionary
The American Heritage Dictionary of Indo-European Roots
The American Heritage Student Grammar Dictionary
The American Heritage Desk Dictionary + Thesaurus
The American Heritage Science Dictionary
The American Heritage Dictionary of Business Terms
The American Heritage Student Dictionary
The American Heritage Essential Student Thesaurus