v. Obs. rare. [f. TRANS- 2 + MOUNT v.] trans. To surmount; to pass over or across by mounting.
1600. Holland, Livy, XLIII. xx. 1168. These embassadours having transmounted the top of the hill Scordus. Ibid. (1601), Pliny, VIII. lviii. I. 233. The wild Asses [never] transmount that hill which devideth Cappadocia from Cilicia.