loud-hailer
noun
loud-hail·er ˌlau̇d-ˈhā-lər 
chiefly British
: bullhorn
Word History
First Known Use
1941, in the meaning defined above
- under/on the pretense of
- underachieve
- underachieved
- underachievement
- underachievements
- underachiever
- underachievers
- underachieves
- underachieving
- underact
- underacted
- underacting
- underaction
- underactions
- underactive
- underactivities
- underactivity
- underactor
- underactors
- underacts
- underage
- underagents
- underages
- underair
- underappreciated