out·er /ˈaʊtɚ/
 (a.)外面的,外部的,外層的
 outer
 外面
 Out·er a. [Compar. of Out.]  Being on the outside; external; farthest or farther from the interior, from a given station, or from any space or position regarded as a center or starting place; -- opposed to inner; as, the outer wall; the outer court or gate; the outer stump in cricket; the outer world.
 Outer bar, in England, the body of junior (or utter) barristers; -- so called because in court they occupy a place beyond the space reserved for Queen's counsel.
 Out·er, n. (a) The part of a target which is beyond the circles surrounding the bull's-eye. (b) A shot which strikes the outer of a target.
 Out·er, n.  One who puts out, ousts, or expels; also, an ouster; dispossession. [R.]
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 outer
      adj 1: being on the outside or further from a center; "spent hours
             adorning the outer man"; "the outer suburbs" [syn: outer(a)]
             [ant: inner(a)]
      2: located outside; "outer reality"
      3: being on or toward the outside of the body; "the outer ear"