The Collaborative International Dictionary of English v.0.48:
Luxury \Lux"u*ry\, n.; pl. Luxuries. [L. luxuria, fr. luxus:
cf. F. luxure.]
1. A free indulgence in costly food, dress, furniture, or
anything expensive which gratifies the appetites or
tastes.
[1913 Webster]
Riches expose a man to pride and luxury.
--Spectator.
[1913 Webster]
2. Anything which pleases the senses, is not necessary for
life, and is also costly, or difficult to obtain; an
expensive rarity; as, silks, jewels, and rare fruits are
luxuries; in some countries ice is a great luxury.
Contrasted to necessity.
[1913 Webster]
He cut the side of a rock for a garden, and, by
laying on it earth, furnished out a kind of luxury
for a hermit. --Addison.
[1913 Webster]
3. Lechery; lust. [Obs.] --Shak.
[1913 Webster]
Luxury is in wine and drunkenness. --Chaucer.
[1913 Webster]
4. Luxuriance; exuberance. [Obs.] --Bacon.
Syn: Voluptuousness; epicurism; effeminacy; sensuality;
lasciviousness; dainty; delicacy; gratification.
[1913 Webster]