lrad

Fetched 2026-10-26 (cache).

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Noun

1. {{initialism of|en|[[long-range]] [[acoustic]] [[device]]}}: an acoustic hailing device used to send messages and warning tones over longer distances or at higher volume than normal [[loudspeaker]]s.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.