Plain English Meaning
Working out where you are by measuring how far you are from three known points and finding the one spot where all three measurements meet.
Full Definition
To determine a position by measuring distances or bearings from three known reference points and finding where those measurements intersect. In GPS, the receiver triangulates its position by measuring the distance to three or more satellites whose locations are precisely known.
Context Anchor
Seen in GPS and navigation discussions when explaining how an aircraft’s position is found from signals tied to known satellite locations.
Derivation
From the Latin 'triangulum,' meaning 'triangle.' The word reflects the geometric idea that three reference points form a triangle, and a position can be pinpointed where the three distance measurements cross.
Why Pilots Care
Provides reliable position information in instrument conditions when are unavailable, supporting safe navigation and .