/ swɜːv; NAmE swɜːrv/ verb
[ v ] ( especially of a vehicle ) to change direction suddenly, especially in order to avoid hitting sb/sth :
She swerved sharply to avoid a cyclist.
The bus suddenly swerved into his path.
The ball swerved into the net.
► swerve noun
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WORD ORIGIN
Old English sweorfan depart, leave, turn aside , of Germanic origin; related to Middle Dutch swerven to stray.