Sum"mit (?), n. [F. sommet, dim. of OF. som, sum, top, from L. summum, from summus highest. See Sum, n.]

1.

The top; the highest point.

Fixed on the summit of the highest mount. Shak.

2.

The highest degree; the utmost elevation; the acme; as, the summit of human fame.

3. Zool.

The most elevated part of a bivalve shell, or the part in which the hinge is situated.

Summit level, the highest level of a canal, a railroad, or the like, in surmounting an ascent.

 

© Webster 1913.