Loudhailer is a synonym of megaphone.
Loudhailer is a hypernym of megaphone.
As nouns the difference between megaphone and loudhailer
is that megaphone is a portable, usually hand-held, funnel-shaped device that is used to amplify a person’s natural voice toward a targeted direction while loudhailer is a megaphone or bullhorn.
As a verb megaphone
is to use a megaphone.
megaphone
English
Etymology 1
From .
Noun
(
en noun)
A portable, usually hand-held, funnel-shaped device that is used to amplify a person’s natural voice toward a targeted direction.
Synonyms
* speaking trumpet
Hypernyms
* loudhailer, blowhorn
Hyponyms
* bullhorn, the modern electronic amplification version
Derived terms
* megaphonic
* megaphonist
Verb
(megaphon)
(intransitive) To use a megaphone.
Etymology 2
Named for the root Aniba megaphylla + .
Noun
(-)
(organic compound) a cytotoxic neolignan obtained from the laurel Aniba megaphylla .
loudhailer
English
Noun
(British) A megaphone or bullhorn.
Synonyms
* blowhorn