clarion
1. clar.i.on \'klar-e--*n\ n [ME, fr. MF & ML; MF clairon, fr. ML clarion-, clario, fr. L]clarus clear 1: a medieval trumpet with clear shrill tones 2: the sound of or as if of a clarion 2. clarion aj : brilliantly clear; esp : STENTORIAN
Webster's English Dictionary1. clar.i.on \'klar-e--*n\ n [ME, fr. MF & ML; MF clairon, fr. ML clarion-, clario, fr. L]clarus clear 1: a medieval trumpet with clear shrill tones 2: the sound of or as if of a clarion 2. clarion aj : brilliantly clear; esp : STENTORIAN