Bedeutung von “jam” — Learner’s Dictionary

jam

noun us uk /dʒæm/
SWEET FOOD [ C, U ] also US jelly

A2 a sweet food made from fruit that you spread on bread:

a jar of strawberry jam
TRAFFIC [ C ] also traffic jam

B2 a line of cars, trucks, etc that are moving slowly or not moving:

We were stuck in a jam for hours.

(Definition von “jam noun” aus dem Cambridge Learner's Dictionary © Cambridge University Press)