out·er 
/ˈaʊtɚ/ adjective
always used before a noun /ˈaʊtɚ/ adjective 1 : located on or toward the outside of something : not on or at the inside or center of something
▪ the city's outer limits ▪ the planet's outer ring ▪ the outer edges of the roof ▪ The package's outer covering was damaged. ▪ I removed the outer skin of the onion. — opposite inner 2 : of or relating to a person's body or physical appearance rather than to a person's mind or spirit
▪ Her inner turmoil was masked by an outer calm.
▪ the city's outer limits ▪ the planet's outer ring ▪ the outer edges of the roof ▪ The package's outer covering was damaged. ▪ I removed the outer skin of the onion. — opposite inner
▪ Her inner turmoil was masked by an outer calm.
