Scope

The breadth, depth or reach of a subject; a domain.

A device used in aiming a projectile, through which the person aiming looks at the intended target.

Opportunity; broad range; degree of freedom.

The region of program source code in which a given identifier is meaningful, or a given object can be accessed.

To perform a cursory investigation of; scope out.

To perform any medical procedure that ends in the suffix -scopy, such as endoscopy, colonoscopy, bronchoscopy, etc.

"The surgeon will scope the football player's knee to repair damage to a ligament."

To limit (an object or variable) to a certain region of program source code.

"If we locally scope the user's login name, it won't be accessible from outside this function."

To examine under a microscope.

"The entomologist explained that he could not tell what species of springtail we were looking at without scoping it."