Main Entry: in·stal·la·tion

Pronunciation: \ˌin(t)-stə-ˈlā-shən\

Function: noun

Date: 15th century

1 : the act of installing : the state of being installed
2 : something that is installed for use
3 : a military camp, fort, or base
4 : a work of art that usually consists of multiple components often in mixed media and that is exhibited in a usually large space in an arrangement specified by the artist