Attic

1. a. An Athenian; an Athenian author.
2. a. Of or pertaining to Attica, in Greece, or to Athens, its principal city; marked by such qualities as were characteristic of the Athenians; classical; refined.
3. a. A low story above the main order or orders of a facade, in the classical styles; — a term introduced in the 17th century. Hence:
4. a. A room or rooms behind that part of the exterior; all the rooms immediately below the roof.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.