bottleneckbottleneck /ˈbɑt̮lˌnɛk/ noun [countable] 1
a place in a road where the traffic cannot pass easily so that there are a lot of delays2a delay in one stage of a process that makes the whole process take longer: Automatic packing machines should get rid of the bottlenecks.
a place in a road where the traffic cannot pass easily so that there are a lot of delays2a delay in one stage of a process that makes the whole process take longer: Automatic packing machines should get rid of the bottlenecks.