What is "endorsing"

Endorse \En*dorse"\, v. t. [imp. & p. p. Endorsed; p. pr. & vb. n. Endorsing.] [Formerly endosse, fr. F. endosser to put on the back, to endorse; pref. en- (L. in) + dos back, L. dorsum. See Dorsal, and cf. Indorse.] Same as Indorse.

Note: Both endorse and indorse are used by good writers; but the tendency is to the more general use of indorse and its derivatives indorsee, indorser, and indorsement.

vb. (present participle of endorse English)