outside-n; 2 Senses

Sense Number 1: a separate region(not attached)

Commentary: exterior - the region that is outside of something

Examples:
Let's go outside to play.
Outside the door is a package for you.

Mappings:
WordNet 2.0 Sense Numbers: 1

Sense Number 2: part of something(a side)

Commentary: exterior - the outer side or surface of something

Examples:
A thin blue line is painted on the outside of the box.
We'll glue glitter to the outside of the box.

Mappings:
WordNet 2.0 Sense Numbers: 2