The Collaborative International Dictionary of English v.0.48:

Cottage \Cot"tage\ (k?t"t?j; 48), n. [From Cot a cottage.]
   A small house; a cot; a hut.
   [1913 Webster]

   Note: The term was formerly limited to a habitation for the
         poor, but is now applied to any small tasteful
         dwelling; and at places of summer resort, to any
         residence or lodging house of rustic architecture,
         irrespective of size.
         [1913 Webster]

   Cottage allotment. See under Alloment. [Eng.]

   Cottage cheese, the thick part of clabbered milk strained,
      salted, and pressed into a ball.
      [1913 Webster]

WordNet (r) 3.0 (2006):

cottage
    n 1: a small house with a single story [syn: bungalow,
         cottage]