pickoff
/ˈpɪkɒf/noun
1
- Baseball the catching of a runner off base, involving a sudden throw of the ball to that base by the pitcher or the catcher【棒球】（投手或传手对跑垒员的）突然传杀。
2
- a device in the control or guidance system of an aircraft or boat which emits or alters an electrical, optical, or pneumatic output in response to a change in motion传感器, 敏感元件。