grandmother's clock
or grandmother clock
noun
a pendulum clock similar to a grandfather's clock but shorter.
Origin of grandmother's clock
First recorded in 1920–25
Words nearby grandmother's clock
grandma moses,
grandmamma,
grandmaster,
grandmother,
grandmother clock,
grandmother's clock,
grandmotherly,
grandnephew,
grandniece,
grandpa,
grandpapa
British Dictionary definitions for grandmother clock
grandmother clock
noun
a longcase clock with a pendulum, about two thirds the size of a grandfather clock