Sŭm'mit, n.
n. [Fr. sommet, from O. Fr. som, sum, Pr. som, Sp. somo, It. sommo, from Lat. summum, from summus, highest. See SUM, n.]
Sense 1. The top; the highest point. “Fixed on the summit of the highest mound.” Shak.
Sense 2. The highest point or degree; utmost elevation; as, the summit of human fame.
Sense 3. (Conch.) The most elevated part of the shell, in which the hinge is placed.
Summit level, the highest level of a canal or railroad, or the like, in surmounting an ascent.