The story
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: a device that combines slow-motion video and a graphical representation of sound waves recorded from stump and pitch microphones to determine whether a small noise (a snick) occurred as the ball passed the bat and/or pad, and thus whether the batsman made contact with the ball. Full definition →
Etymology from Wiktionary, CC BY-SA 4.0.