Longman Dictionary of Contemporary English homepage

Date: 1400-1500
Language: Old French
Origin: installer, from Medieval Latin, from stallum 'stall'

install

verb
     
Related topics: Technology, Computers
in‧stall W3 [transitive]
1T to put a piece of equipment somewhere and connect it so that it is ready to be used:
They've installed the new computer network at last.
Security cameras have been installed in the city centre.
2TD to add new software to a computer so that it is ready to be used [≠ uninstall]:
We've installed new anti-virus software.
3BO to put someone in an important job or position, especially with a ceremony:
Churchill was installed as Chancellor of the university.
4

install yourself in/at etc

to settle somewhere as if you are going to stay for a long time

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