|pēˌtō| ̷ ̷ ̷ ̷-, pē|tō| ̷ ̷ ̷ ̷- noun
Usage: often capitalized P
: a device that consists of a combination of a pitot tube and a static tube and that measures pressures in such a way that the relative speed of a fluid can be determined (as in an airspeed indicator) — called also pitot tube