outer
adjective
[ ˈaʊtə ]
• outside; external.
• "the outer layer of the skin"
• objective or physical; not subjective.
outer
noun
• an outer garment or part of one.
• "boots with stiff leather outers"
• (in archery and shooting) the division of a target furthest from the bullseye.
• a container in which packaged objects are placed for transport or display.
• the part of a racecourse outside the enclosure.
Origin:
late Middle English: from out + -er2, replacing earlier utter1.
on the outer
• excluded from a group; rejected or isolated.
• "she has always been the girl who was on the outer at high school"