(noun) strongbox where valuables can be safely kept. Synonyms: safe.
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Noun Definition 1
(noun) a ventilated or refrigerated cupboard for securing provisions from pests. Synonyms: safe.
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Noun Definition 2
(noun) contraceptive device consisting of a sheath of thin rubber or latex that is worn over the penis during intercourse. Synonyms: condom, rubber, safety, safe, prophylactic.