Definitions for "Bottlenecks"
points in a system that are slower than the rest of the system, causing overall delays. In the Internet, bottlenecks are often caused by localized problems, such as overloaded switching complexes, etc.
A bottleneck is a stage in a process that causes the entire process to slow down or stop.
Drastic short-term reductions in population size caused by natural disasters, disease, or predators; can lead to random changes in the population's gene pool.
a narrow space that restricts the flow of whatever needs to pass through it The road narrowed at that point creating a traffic bottleneck