Definition of grandmother clock in English:

grandmother clock

noun

  • A clock similar to a grandfather clock but about two thirds the size.

    • ‘Lily glanced at the grandmother clock on the mantle.’
    • ‘I turned to look at my grandmother clock and it was only then that I noticed the time.’
    • ‘He looked at the old grandmother clock in the room; its oversized hands said 5:10.’

Pronunciation

grandmother clock