Constriction

In the higher latitudes of the northern hemisphere, the continents of North America, Europe, and Asia are pressed closer together. This “constriction” of the oceans creates the effect of a higher range of tides.

Each chromosome has a constriction point called the centromere, which divides the chromosome into two sections, or “arms.”

Another feature of Stormorken syndrome is permanent constriction of the pupils of the eyes (miosis), which may be caused by abnormalities in the muscles that control the size of the pupils.

Sunbeam snakes kill their prey with constriction.

[…] greatest breadth at a point about half way between the constriction and the ends […]