What is the meaning of the furniture term Long Clock?

The term Long Clock is not commonly used in the furniture industry. It is more commonly associated with the term longcase clock or grandfather clock. A longcase clock is a large, freestanding clock with a pendulum and weights housed in a tall, narrow case. It typically has a long, swinging pendulum and a set of chimes or a striking mechanism that indicates the time. The term long refers to the height of the clocks case. Grandfathers, hall, or tall clock.