Meaning of OUTER in English

OUTER

out ‧ er /ˈaʊtə $ -ər/ BrE AmE adjective [only before noun]

[ Date: 1300-1400 ; Origin: out ]

1 . on the outside of something OPP inner :

Remove the tough outer leaves before cooking.

2 . further from the centre of something OPP inner :

the outer suburbs

3 . relating to objects, activities etc that are part of the world, as opposed to your own thoughts and feelings OPP inner :

His inner conflict is related to struggles in the outer world.

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.