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double-lock

[ duhb-uhl-lok ]
/ ˈdʌb əlˈlɒk /
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verb (used with object)
to lock with two turns of a key, so that a second bolt is engaged.
to fasten with particular care.
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“Was” is used for the indicative past tense of “to be,” and “were” is only used for the subjunctive past tense.

Origin of double-lock

First recorded in 1585–95
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use double-lock in a sentence

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