What is the meaning of Attic?

noun

• Floor consisting of open space at the top of a house just below roof; often used for storage.
  • synonyms: loft, garret
• The dialect of Ancient Greek spoken and written in Attica and Athens and Ionia.
  • synonyms: Ionic, Ionic dialect, Classical Greek
• Informal terms for a human head.
  • synonyms: bean, bonce, noodle, noggin, dome
• Architecture) a low wall at the top of the entablature; hides the roof. (

adjective

• Of or relating to Attica or its inhabitants or to the dialect spoken in Athens in classical times.
  • usage: "Attic Greek"