The Collaborative International Dictionary of English v.0.48:

Rustic \Rus"tic\, a. [L. rusticus, fr. rus, ruris, the country:
   cf. F. rustique. See Rural.]
   1. Of or pertaining to the country; rural; as, the rustic
      gods of antiquity. "Rustic lays." --Milton.
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            And many a holy text around she strews,
            That teach the rustic moralist to die. --Gray.
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            She had a rustic, woodland air.       --Wordsworth.
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   2. Rude; awkward; rough; unpolished; as, rustic manners. "A
      rustic muse." --Spenser.
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   3. Coarse; plain; simple; as, a rustic entertainment; rustic
      dress.
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   4. Simple; artless; unadorned; unaffected. --Pope.
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   Rustic moth (Zool.), any moth belonging to Agrotis and
      allied genera. Their larvae are called cutworms. See
      Cutworm.

   Rustic work.
      (a) (Arch.) Cut stone facing which has the joints worked
          with grooves or channels, the face of each block
          projecting beyond the joint, so that the joints are
          very conspicuous.
      (b) (Arch. & Woodwork) Summer houses, or furniture for
          summer houses, etc., made of rough limbs of trees
          fancifully arranged.
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   Syn: Rural; rude; unpolished; inelegant; untaught; awkward;
        rough; coarse; plain; unadorned; simple; artless;
        honest. See Rural.
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