noun / adjective
clarion
KLAIR-ee-un/klˈɛriʌn/
A loud, clear, stirring sound or call.
The trumpet sounds a clarion call from the hilltop.

Etymology
Latin clario named a trumpet. Used descriptively, the trumpet’s name evokes a loud, clear sound, with the stirring force also heard in a figurative “clarion call” to battle.
In context
his majestic fanfare was a clarion call of trusted reliable news information and entertainment from a respected friend and neighbor
More examples
- A clarion note cut through the morning air.
- The campaign sounded a clarion for change.
- Her clear warning became a clarion call to action.
Forms
clarion · clarions