Sound lock Synonyms

Sound replaced

reliable lock

Definitions for Sound

(verb) to continue or be repeated in a series of reflected sound waves
(verb) to give the impression of being
(verb) to make known (as an idea, emotion, or opinion)

Synonyms for phrase

SL abbreviation

SL is an abbreviation for Sound Lock

What does SL stand for?

SL stands for "Sound Lock"

Lock replaced

Definitions for Lock

(noun) one that is certain to succeed
(noun) a fastener fitted to a door or drawer to keep it firmly closed
(verb) fasten with a lock