What is the meaning of the furniture term Grandmothers Clock?

The term Grandmothers clock typically refers to a type of tall, freestanding, weight-driven clock. It is similar to a grandfather clock, but of a smaller size. The name Grandmothers clock is used to signify that it is smaller and more suitable for a domestic setting, like a grandmothers house, as compared to the larger and more imposing grandfather clocks. Floor clock of smaller dimension than a grandfathers clock.