Meaning of OUTER in English

OUTER

/ ˈaʊtə(r); NAmE / adjective [ only before noun ]

1.

on the outside of sth

SYN external :

the outer layers of the skin

2.

furthest from the inside or centre of sth :

I walked along the outer edge of the track.

the outer suburbs of the city

Outer London / Mongolia

( figurative )

to explore the outer (= most extreme) limits of human experience

OPP inner

••

WORD ORIGIN

late Middle English : from out + -er , replacing earlier utter in its obsolete sense outer .

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.