to turn (left, right etc.) / to stir (e.g. ingredients) / to tour, to go on tour / to film, to shoot a film / to run, to execute (a program, an application etc.) / to lathe

(intransitive) to stop suddenly, come to a sudden end

to do a U-turn, to turn around, to turn tail

(figuratively) to turn one's coat, to be a turncoat, to change sides

(informal, figuratively) to turn the page, to move on

(transitive) to ridicule somebody; to mock

(figuratively) to go sour

(figuratively, informal) to go round in circles, to not make any headway, to tread water

(transitive) to ridicule, to make mock of

(figuratively, transitive with à) to turn one's back on, to turn away from