In·dôrse', v. t.
v. t. [imp. & p. p. INDORSED (in-dôrs't); p. pr. & vb. n. INDORSING.] [L. Lat. indorsare, from Lat. in and dorsum, the back; O. Fr. endorser, N. Fr. endosser, Sp. endorsar, endosar, Pr. endossar, It. indossare.] [Written also endorse.]
Sense 1. To put on the back of; to cover or bestride the back of. [Obs. and rare.] “Elephants indorsed with towers.” Milton.
Sense 2. To write upon the back or outside of, as a direction, a heading, or the like, upon a paper, letter, and the like.
Sense 3. (Law.) To write one’s name upon the back of, as a paper, for the purpose of transferring it, or to secure the payment of, as a note, draft, &c.; to guaranty the fulfillment or performance of.
Sense 4. Hence, to give one’s name or support to; to sanction; to aid by approval; to render current.
To indorse in blank, to write one’s name on the back of a note or bill, leaving a blank to be filled by the holder.