- The top; the highest point."Fixed on the summit of the highest mount." [Shak.]
- The highest degree; the utmost elevation; the acme; as, the summit of human fame.
- [Zoöl] The most elevated part of a bivalve shell, or the part in which the hinge is situated.
Etymology: F. sommet, dim. of OF. som sum, top, from L. summum, from summus highest. See Sum (n.)