attic

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A story or room directly below the roof of a building, especially a house.
• noun A low wall or story above the cornice of a classical façade.

from The Century Dictionary.

• Pertaining to Attica, or to the city or state of Athens; Athenian; marked by such qualities as were characteristic of the Athenians.
• noun A native or an inhabitant of Attica, the territory of the ancient Athenian state, now an eparchy of the kingdom of Greece; an Athenian.
• noun The Attic dialect; Attic Greek.
• noun The upper portion of the tympanic cavity of the ear.
• noun Figuratively, a man's ‘top story’; the skull
• noun In architecture, a low story surmounting an entablature or the main cornice of a building. Also called attic story.
• noun A room in the uppermost part of a house, immediately beneath the roof or leads; a garret.

from the GNU version of the Collaborative International Dictionary of English.

• noun A low story above the main order or orders of a facade, in the classical styles; -- a term introduced in the 17th century. Hence
• noun A room or rooms behind that part of the exterior; all the rooms immediately below the roof.
• noun An Athenian; an Athenian author.
• adjective 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.
• adjective (Arch.) a peculiar form of molded base for a column or pilaster, described by Vitruvius, applied under the Roman Empire to the Ionic and Corinthian and “Roman Doric” orders, and imitated by the architects of the Renaissance.
• adjective inviolable faith.
• adjective special purity of language.
• adjective a poignant, delicate wit, peculiar to the Athenians.
• adjective See Attic, n.
• adjective a style pure and elegant.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun The space, often unfinished and with sloped walls, directly below the roof in the uppermost part of a house or other building, generally used for storage or habitation.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun the dialect of Ancient Greek spoken and written in Attica and Athens and Ionia
• noun informal terms for a human head
• noun floor consisting of open space at the top of a house just below roof; often used for storage
• noun (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