1. Verb.  (intransitive, now) To make a physical impact (on); to collide, to crash (upon).
  2. Verb.  (intransitive, figuratively) To interfere with; to encroach (on, upon).
  3. Verb.  (transitive) To have an effect upon; to limit.

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This entry was last updated on RefTopia from its source on 3/20/2012.