outer

US /ˈaʊ.t̬ɚ/
UK /ˈaʊ.t̬ɚ/
"outer" picture
1.

on the outside; external

:
The outer layer of the coat is waterproof.
The planet's outer atmosphere is very thin.
2.

further from the center or middle

:
The outer ring of the target is worth fewer points.
They live on the outer edge of the city.