A more thorough explanation:

Definition:

Delimit (di-lim-it), vb. - To mark a boundary or fix a limit.

Examples:

• The fence delimits the property line between our house and the neighbor's.
• The teacher delimits the scope of the essay assignment to 5 pages.
• The city council delimits the speed limit on this road to 30 mph.

Explanation: The word "delimit" means to set a boundary or limit. In the first example, the fence marks the boundary between two properties. In the second example, the teacher sets a limit on the length of the essay. In the third example, the city council sets a limit on how fast cars can drive on a particular road. All of these examples illustrate how "delimit" is used to establish a boundary or limit.