Spearhand, aka Fingertip Thrust
A Horizontal Fingertip Thrust (also commonly called a Fingertip Thrust, Spearhand Strike or a Spearhand Thrust) is a Spearhand Thrust that's performed with the hand held horizontally (rather than vertically).
The Horizontal Spearhand appears, for example, in the form Sipjin.
In a Horizontal Fingertip Thrust, the hand is held horizontally