The Collaborative International Dictionary of English v.0.48:
Outer \Out"er\ (out"[~e]r), a. [Compar. of Out.] [AS. [=u]tor,
compar. of [=u]t, adv., out. See Out, Utter, a.]
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.