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guard lock

noun

Definition of guard lock 

1 : a tide lock at the mouth of a dock or basin or a lock for preventing flooding of a canal

2 : a lock guarding the keyhole or bolt of another lock and having to be unlocked before the key of the main lock can be operated

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Dictionary Entries near guard lock

guard iron

guardless

guard line

guard lock

guard mail

guard mount

guard of honor

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