1. overcome, conquer, triumph over; climb to the top of; be on top of. surmountsur*mount , v. t. [imp. & p. p. surmounted; p. pr. & vb. n. surmounting.] [oe. sourmounten, of. surmonter, sormonter, f. surmonter; sur over + monter to mount. see: sur-, and mount, v. i.]