control point

nounAerial Photogrammetry.

a point located on the ground by precise surveying that when identified on aerial photographs provides the control necessary for producing a photomap.

Origin of control point

First recorded in 1925–30

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

We had people on the street, and my plan was just to remission them, abandon the traffic control points, abandon the Metro stations, and get to the Capitol.
Former D.C. Guard commander demands Pentagon inspector general retract Jan. 6 report | Dan Lamothe, Paul Sonne | November 19, 2021 | Washington Post
It was the first time either of them had seen the blockhouse, the control point from which the rockets were fired.
The Scarlet Lake Mystery | Harold Leland Goodwin
Spraying does not control point-rot so far as present evidence goes.
Tomato Culture: A Practical Treatise on the Tomato | William Warner Tracy

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