A summit is:

• A point higher than all the ground immediately surrounding it; see topographical summit.
• The highest point on a transportation route crossing high ground; see route summit.
• A meeting of heads of state or other leaders; see summit meeting .

Summit is also the name of some places in the United States of America:

• Summit, New York
• Summit, New Jersey
• Summit, Wisconsin
• Summit Township, Michigan
• Summit Township, Minnesota
• Summit Township, Pennsylvania

Summit Point, West Virginia may be sometimes called simply "Summit".

"The Summit" is a former name for the Compaq Center in Houston, Texas.

"Summit", or "Summat" are also British English slang terms for "Something"-they are rarely used in written English, except in dialect.