in·stall also in·stal (ĭn-stôl')
tr.v., -stalled, -stall·ing, -stalls, also -stals.

1. To connect or set in position and prepare for use: installed the new furnace; installed software on my computer.
2. To induct into an office, rank, or position: a ceremony to install the new governor.
3. To settle in an indicated place or condition; establish: installed myself in the spare room.

[Middle English installen, to place in office, from Old French installer, from Medieval Latin īnstallāre : Latin in-, in; see in-² + stallum, stall, place.]

installer in·stall'er n.

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The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.

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