Static pressure

The pressure of an unmoving fluid.

Aviation Maintenance Technician Handbook — Powerplant, p. G-26

Also defined in 1 more source

Pressure of air that is still or not moving, measured perpendicular to the surface of the aircraft.

Pilot's Handbook of Aeronautical Knowledge, p. G-29

Taught in AF-H Quick reference, GEN-J Concepts, GEN-J Procedures.