The Collaborative International Dictionary of English v.0.48:

Most \Most\ (m[=o]st), a., superl. of More. [OE. most, mast,
   mest, AS. m[=ae]st; akin to D. meest, OS. m[=e]st, G. meist,
   Icel. mestr, Goth. maists; a superl. corresponding to E.
   more. [root]103. See More, a.]
   1. Consisting of the greatest number or quantity; greater in
      number or quantity than all the rest; nearly all. "Most
      men will proclaim every one his own goodness." --Prov. xx.
      6.
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            The cities wherein most of his mighty works were
            done.                                 --Matt. xi.
                                                  20.
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   2. Greatest in degree; as, he has the most need of it. "In
      the moste pride." --Chaucer.
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   3. Highest in rank; greatest. [Obs.] --Chaucer.
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   Note: Most is used as a noun, the words part, portion,
         quantity, etc., being omitted, and has the following
         meanings: 1. The greatest value, number, or part;
         preponderating portion; highest or chief part. 2. The
         utmost; greatest possible amount, degree, or result;
         especially in the phrases to make the most of, at the
         most, at most.
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               A quarter of a year or some months at the most.
                                                  --Bacon.
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               A covetous man makes the most of what he has.
                                                  --L'Estrange.
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   For the most part, in reference to the larger part of a
      thing, or to the majority of the persons, instances, or
      things referred to; as, human beings, for the most part,
      are superstitious; the view, for the most part, was
      pleasing.

   Most an end, generally. See An end, under End, n.
      [Obs.] "She sleeps most an end." --Massinger.
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