Standard Lemma guide

bullhorn

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • General-American: /ˈbʊlˌhɔɹn/
  • CMU ARPABET: B UH1 L HH AO2 R N Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

A megaphone which electronically amplifies a person’s natural voice.

Definition source: English Wiktionary via Wiktextract

Usage: US

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: blowhorn, loudhailer, megaphone

Antonyms: none provided

2

noun

Meaning 2

a portable loudspeaker with built-in microphone and amplifier

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: loud hailer, loud-hailer

Antonyms: none provided

Broader terms: loudspeaker, speaker, speaker unit, loudspeaker system, speaker system

History

Etymology

From bull + horn, attested since the 1950s.