SINCE 1828
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thumb lock

noun
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variants: or less commonly thumb latch

Definition of thumb lock

: a lock that can be released by pressure with the thumb

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Learn More About thumb lock

Dictionary Entries Near thumb lock

thumbling

thumb lock

thumbmark

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Cite this Entry

“Thumb lock.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/thumb%20lock. Accessed 17 Oct. 2021.

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