cobhouse

noun5

1. •
   A structure built of cobs of wood, often notched where the pieces cross.
2. •
   A flimsy structure, as one built by children from small bits of wood and other materials.
3. •
   (figurative) A flimsy arrangement or structure.
4. •
   A structure built of cob.
5. •
   An outbuilding of inferior construction.