Merriam-Webster's Collegiate® Dictionary, 11th Edition
RUSTIC
I. adjective also rustical see: room
Date: 15th century
of, relating to, or suitable for the country ; rural ,
2. made of the rough limbs of trees , finished by rusticating ,
3. characteristic of or resembling country people, lacking in social graces or polish, appropriate to the country (as in plainness or sturdiness) , rustically adverb rusticity noun
II. noun
Date: circa 1550
an inhabitant of a rural area,
2. an awkward coarse person, an unsophisticated rural person