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megaphone

1 ENTRIES FOUND:
megaphone /ˈmɛgəˌfoʊn/ noun
plural megaphones
megaphone
/ˈmɛgəˌfoʊn/
noun
plural megaphones
Britannica Dictionary definition of MEGAPHONE
[count]
: a cone-shaped device used to make your voice louder when you speak through it — compare bullhorn