definition of
[overhaul]

[1] #1 overhaul v. [pass, overtake] travel past; "The sports car passed all the trucks". wn

[2] #2 overhaul v. [modernize, modernise] make repairs, renovations, revisions or adjustments to; "You should overhaul your car engine"; "overhaul the health care system". wn

[3] #3 overhaul n. [inspection and repair, service] periodic maintenance on a car or machine; "it was time for an overhaul on the tractor". wn

[4] #4 overhaul n. [renovation, redevelopment] the act of improving by renewing and restoring; "they are pursuing a general program of renovation to the entire property"; "a major overhal of the healthcare system was proposed". wn