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Meaning of double-lock | Babel Free

Verb CEFR C1

Definitions

To lock with two separate locks or bolts.
transitive
To lock by two turns of the key.
transitive

CEFR level

C1

Advanced
This word is part of the CEFR C1 vocabulary — advanced level.

See also

double-locked double-locking double-locks double-major double-majored double-majoring