pinch point

A point in between moving and stationary parts of a machine where an individual's body part may become caught, leading to injury

The level of inventories of a commodity or product below which consumers become concerned about security of supply

Cuspidal point, a type of singular point on an algebraic surface

A kerb extension, a traffic calming measure consisting of an angled narrowing of the roadway

A bottleneck, part of a process that is too slow and causes a delay.