installation

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

• noun The act of installing.
• noun The state of being installed.
• noun A system of machinery or other apparatus set up for use.
• noun A permanent military base.
• noun An example of installation art.

from The Century Dictionary.

• noun The act of installing; the formal induction of a person into a rank, an order, or an official position: as, the installation of a Knight of the Garter; the installation of a clergyman over a charge.
• noun A placing in position for service or use; also, a complete mechanical apparatus or “plant” in position and ready for use: especially used of electrical apparatus.

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

• noun The act of installing.
• noun the act of installing (a person) or giving possession of an office, rank, or order, with the usual rites or ceremonies.
• noun (Mech.) The whole of a system of machines, apparatus, and accessories, sometimes including the buildings and gorounds on which they are located, when set up and arranged for practical working, as in electric lighting, transmission of power, etc..
• noun (Mil.) The whole of a military base, post, camp, outpost, etc., constructed and operated for support of military operations.

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

• noun The act of installing or giving possession of an office, rank, or order, with the usual rites or ceremonies; as, the installation of an ordained minister in a parish.
• noun The whole of a system of machines, apparatus, and accessories, when set up and arranged for practical working, as in electric lighting, transmission of power, etc.
• noun A grouping of facilities that constitute a permanent military base

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

• noun a building or place that provides a particular service or is used for a particular industry
• noun the act of installing something (as equipment)
• noun a formal entry into an organization or position or office