BOTTLENECK

I. adjective Date: 1896 narrow , II. noun Date: 1907 1. a narrow route, a point of traffic congestion, 2. someone or something that retards or halts free movement and progress, impasse , a dramatic reduction in the size of a population (as of a species) that results in a decrease in genetic variation, a style of guitar playing in which glissando effects are produced by sliding an object (as a knife blade or the neck of a bottle) along the strings, III. transitive verb Date: 1933 to slow or halt by causing a ~