Bottleneck
Bottleneck
1.
a location or situation in which otherwise rapid progress is impeded.
2.
a point at which road traffic slows due to congestion or narrowing of the roadway.
3.
an impasse.
4.
a narrowing.
bottleneck , transitive verb
same as obstruct; as, his laziness has bottlenecked our efforts to reform the system.
bottleneck , intransitive verb
to become narrower as one approaches a point; -- said of roads; as, right by the bridge, the road bottlenecks.