jams
n. countable B1 Intermediate US //ˈdʒæmz// UK //dʒˈæmz// jams
n. situations where a lot of people or things are stuck and cannot move, like cars on a busy road. It can also mean sweet fruit spreads you put on bread.
n. instances of congestion that impede movement or progress, particularly regarding vehicular traffic; alternatively, preserves made from fruit and sugar.
The morning traffic jams make me late for work.
Heavy snow caused several traffic jams on the motorway, leaving hundreds of drivers stranded for hours.
While the city's infrastructure was designed for efficiency, frequent logistical jams at the port have begun to stifle the local export economy.
Usage
Usually plural when referring to traffic congestion; often used in the compound 'traffic jams'.