تعريف rumble seat في الإنجليزية الإنجليزية القاموس.
An extra passenger seat or row of seats in an automobile, which typically folds away into a rear storage compartment
I suspected I wouldn't care an awful lot for his companionship, so I put him and another one in the rumble seat, and with the other two in with me I found the trail back to the Parkway and turned south.