dirt bike
US /ˈdɜːrt baɪk/
UK /ˈdɜːrt baɪk/

1.
Motocross-Motorrad, Geländemotorrad
a lightweight motorcycle designed for use on rough terrain, often in races or for recreation
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He loves riding his dirt bike through the trails.
Er liebt es, mit seinem Motocross-Motorrad durch die Wege zu fahren.
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They bought a new dirt bike for their son's birthday.
Sie kauften ein neues Motocross-Motorrad zum Geburtstag ihres Sohnes.