: an imaginary path through the nostalgically remembered past — usually used in such phrases as a walk down memory lane
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the memory of one's past life likened to a road down which one may travel: The class reunion was a trip down memory lane.
[1950-55]
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memory lane noun (informal)
An imaginary place where one retains fond memories of past events
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Main Entry: ↑memory
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memory lane — see ↑memory
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Main Entry: ↑lane
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memory lane
◇ If you take a stroll/trip/walk (etc.) down memory lane, you think or talk about pleasant things from the past.
We took a stroll down memory lane, talking about our time at school together.
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Main Entry: ↑memory
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Idiom: ↑trip down memory lane
Useful english dictionary. 2012.