Dictionary.com
definitions
  • synonyms

grandfather's clock

or grandfather clock

See more synonyms for grandfather's clock on Thesaurus.com
noun
  1. a pendulum floor clock having a case as tall as or taller than a person; tall-case clock; long-case clock.
Show More

Origin of grandfather's clock

First recorded in 1890–95
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018