lounge

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

• intransitive verb To move or act in a lazy, relaxed way; loll.
• intransitive verb To pass time idly.
• intransitive verb To pass (time) in a lazy, relaxed, or idle way.
• noun A public waiting room, as in a hotel or an air terminal, often having smoking or lavatory facilities.
• noun A cocktail lounge.
• noun A living room.
• noun A lobby.
• noun A long couch, especially one having no back and a headrest at one end.

from The Century Dictionary.

• noun An obsolete spelling of lunge.
• To act, move, or rest in a lazy or listless manner; move about or do anything with negligence or indifference.
• To recline in a lazy attitude; loll: as, to lounge on a sofa.
• noun The act of sauntering or strolling; the act of reclining at ease or lolling.
• noun A place frequented by idlers.
• noun A kind of sofa for reclining, having one arm only and a low back, or no back, so as to be used from either side.
• noun A treat; a comfort.

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

• noun An idle gait or stroll; the state of reclining indolently; a place of lounging.
• noun A piece of furniture resembling a sofa, upon which one may lie or recline.
• intransitive verb To spend time lazily, whether lolling or idly sauntering; to pass time indolently; to stand, sit, or recline, in an indolent manner.

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

• noun A waiting room in an office, airport etc.
• noun A domestic living room.
• noun An establishment, similar to a bar, that serves alcohol and often plays background music or shows television.
• noun A large comfortable seat for two or three people or more, a sofa or couch; also called lounge chair.
• verb To relax as if in a lounge.

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

• verb sit or recline comfortably
• verb be about
• noun an upholstered seat for more than one person
• noun a room (as in a hotel or airport) with seating where people can wait