The Collaborative International Dictionary of English v.0.48:

Steady \Stead"y\ (-[y^]), a. [Compar. Steadier (-[i^]*[~e]r);
   superl. Steadiest.] [Cf. AS. stedig sterile, barren,
   stae[eth][eth]ig, steady (in gestae[eth][eth]ig), D. stedig,
   stadig, steeg, G. st[aum]tig, stetig. See Stead, n.]
   1. Firm in standing or position; not tottering or shaking;
      fixed; firm. "The softest, steadiest plume." --Keble.
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            Their feet steady, their hands diligent, their eyes
            watchful, and their hearts resolute.  --Sir P.
                                                  Sidney.
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   2. Constant in feeling, purpose, or pursuit; not fickle,
      changeable, or wavering; not easily moved or persuaded to
      alter a purpose; resolute; as, a man steady in his
      principles, in his purpose, or in the pursuit of an
      object.
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   3. Regular; constant; undeviating; uniform; as, the steady
      course of the sun; a steady breeze of wind.
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   Syn: Fixed; regular; uniform; undeviating; invariable;
        unremitted; stable.
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   Steady rest (Mach), a rest in a turning lathe, to keep a
      long piece of work from trembling.
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