The Collaborative International Dictionary of English v.0.48:

Express \Ex*press"\ ([e^]ks*pr[e^]s"), a. [F. expr[`e]s, L.
   expressus, p. p. of exprimere to express; ex. out + premere
   To press. See Press.]
   1. Exactly representing; exact.
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            Their human countenance
            The express resemblance of the gods.  --Milton.
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   2. Directly and distinctly stated; declared in terms; not
      implied or left to inference; made unambiguous by
      intention and care; clear; not dubious; as, express
      consent; an express statement.
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            I have express commandment.           --Shak.
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   3. Intended for a particular purpose; relating to an express;
      sent on a particular errand; dispatched with special
      speed; as, an express messenger or train. Also used
      adverbially.
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            A messenger sent express from the other world.
                                                  --Atterbury.
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   2. of or pertaining to an express train or other conveyance
      designated an express[5]; makiung few or no intermediate
      stops; as, an express stop; an express fare; an express
      elevator.
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   Express color. (Law) See the Note under Color, n., 8.

   Syn: Explicit; clear; unambiguous. See Explicit.
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