n.
surgical procedure
1) to perform an ~
2) to have, undergo an ~
3) an exploratory; major; minor ~
4) an ~ for (an ~ for the removal of gallstones)
military activity, movement
5) to conduct; launch an ~
6) guerrilla; joint; large-scale; mine-sweeping; mopping-up ~s
state of being functional
7) to put into ~ (the plant has been put into ~)
8) in ~ (the factory is in ~)
project
9) a cloak-and-dagger, covert, secret; rescue; sting ( AE ) ~