clarion

UK: /ˈklærɪən/ US: (klar′ē ən)

WordReference Random House Unabridged Dictionary of American English © 2026

clar•i•on  (klar′ē ən), adj. 

1. clear and shrill:
   the clarion call of a battle trumpet.

n. 

2. Music and Dance an ancient trumpet with a curved shape.
3. the sound of this instrument.
4. any similar sound.

• Medieval Latin clāriōn- (stem of clāriō) trumpet, equivalent. to clār- clear + -iōn- -ion
• Middle English 1275–1325

Collins Concise English Dictionary © HarperCollins Publishers::

clarion / ˈklærɪən/ noun

1. a four-foot reed stop of trumpet quality on an organ
2. an obsolete high-pitched small-bore trumpet
3. the sound of such an instrument or any similar sound

adjective

1. (prenominal) clear and ringing; inspiring: a clarion call to action

verb

1. to proclaim loudly

Etymology: 14th Century: from Medieval Latin clāriō trumpet, from Latin clārus clear