megaphone
nounmasculine/mɨ.ɣɐ.ˈfɔ.nɨ/low
me·ga·fo·ne
Definition
A portable device, usually cone-shaped, that amplifies the voice, directing the sound in a specific direction.
The coach shouted instructions through a megaphone.
The protesters used megaphones to make themselves heard.
Common collocations
shout through a megaphoneelectronic megaphone
Etymology
Do grego 'megas' (grande) + 'phōnē' (som), através do inglês 'megaphone'.