pri·or /ˈpraɪ(ə)r/
  (a.)更重要的,較早的,在先的(ad.)居先院長
  prior
  較先的
  prior
  先
  Pri·or, n.
  1. Eccl. The superior of a priory, and next below an abbot in dignity.
  Conventical prior, or Conventual prior, a prior who is at the head of his own house. See the Note under Priory.
  Claustral prior, an official next in rank to the abbot in a monastery; prior of the cloisters.
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  Pri·or a.
  1. Preceding in the order of time; former; antecedent; anterior; previous; as, a prior discovery; prior obligation; -- used elliptically in cases like the following: he lived alone [in the time] prior to his marriage.
  2. First, precedent, or superior in the order of cognition, reason or generality, origin, development, rank, etc.
  prior
       adj : earlier in time [syn: anterior, prior(a)]
       n : the head of a religious order; in an abbey the prior is next
           below the abbot