柯林斯詞典grandfather clock (grandfather clocks) 1. N-COUNT A grandfather clock is an old-fashioned type of clock in a tall wooden case which stands upright on the floor. 老式落地大擺鐘 返回 grandfather clock劍橋詞典a tall clock in a wooden case that stands on the floor (裝于高木匣中的)落地?cái)[鐘 返回 grandfather clock