grandfather : Idioms & Phrases
grandfather clause
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noun an exemption based on circumstances existing prior to the adoption of some policy; used to enfranchise illiterate whites in south after the American Civil War
WordNet
grandfather clock
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noun a pendulum clock enclosed in a tall narrow case
longcase clock.
WordNet
Grandfather longlegs
- .
(Zoöl.) SeeDady longlegs .
Webster 1913
great grandfather
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noun a father of your grandparent
WordNet
great-grandfather
Great"-grand"fa`ther noun
Etymology
SeeDefinitions
The father of one's grandfather or grandmother.