1 wheel /ˈwiːl/ noun
plural wheels
1 wheel
plural wheels
Learner's definition of WHEEL
: one of the round parts underneath a car, wagon, etc., that rolls and allows something to move
see also training wheels
: a hard, round object that turns and causes machinery or a mechanical device to move sometimes used figuratively
see also flywheel, paddle wheel, waterwheel
[count] : steering wheel
[count] : something that is round like a wheel or that turns like a wheel see also cartwheel, ferris wheel, pinwheel, potter's wheel, prayer wheel, spinning wheel
: an essential or functioning part of an organization, process, etc. usually plural
informal : an important person in an organization
wheels [plural] slang : car

a/the squeaky wheel gets the grease/oil

used to say that someone who complains or causes problems is more likely to receive attention or help than someone who stays quiet and does not cause problems

reinvent the wheel

see reinvent

spin your wheels

see 1spin

wheels come/fall off

◊ If the wheels come/fall off, someone or something fails in a sudden or unexpected way.

wheels within wheels

: a situation that is complex and difficult to deal with because it involves many different things
2 wheel /ˈwiːl/ verb
wheels; wheeled; wheeling
2 wheel
wheels; wheeled; wheeling
Learner's definition of WHEEL
[+ object]
: to move (someone or something) on a vehicle that has wheels
sometimes used figuratively
: to push (something) that has wheels on it
sometimes used figuratively
[no object] : to turn quickly and face a different direction
[no object] : to move in a circle or curve

wheel and deal

: to make deals or agreements in business or politics in a skillful and sometimes dishonest way
see also wheeler-dealer