B1
a closed space at the back of a car for putting things in
Dictionary examples:
I tried to fit an elephant in my car trunk. It didn't work! (0.0)
My car trunk is so messy, I found last year's Christmas gifts! (0.0)
I accidentally locked myself in the trunk. It was a dark situation! (0.0)
I'll put your luggage in the trunk. (24.8)