Installation (?), n. [F. installation, LL. installatio: cf. It. installazione. See Install.]
[1913 Webster]
1. The act of installing; as, “the installation of the air conditioner took half an hour”.
Syn. -- installing, setting up.
[1913 Webster +PJC]
2. Hence: the act of installing (a person) 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”.
[1913 Webster]
On the election, the bishop gives a mandate for his installation. Ayliffe.
[1913 Webster]
3. (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.; as, “our installation in Baton Rouge can produce ten thousand gallons a day; we should move our drying installation from building A to building B”.
[1913 Webster +PJC]
4. (Mil.) The whole of a military base, post, camp, outpost, etc., constructed and operated for support of military operations.
[PJC]