The Collaborative International Dictionary of English v.0.48:

Salary \Sal"a*ry\, n.; pl. Salaries. [F. salaire, L. salarium,
   originally, salt money, the money given to the Roman soldiers
   for salt, which was a part of their pay, fr. salarius
   belonging to salt, fr. sal salt. See Salt.]
   The recompense or consideration paid, or stipulated to be
   paid, to a person at regular intervals for services; fixed
   wages, as by the year, quarter, or month; stipend; hire.
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         This is hire and salary, not revenge.    --Shak.
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   Note: Recompense for services paid at, or reckoned by, short
         intervals, as a day or week, is usually called wages.
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   Syn: Stipend; pay; wages; hire; allowance.
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