to shout loudly; to cry out; to give a rallying cry to boost morale or show support

A Chinese wind instrument with a wooden body and a brass bell, similar to an oboe or shawm; it has a loud, high-pitched sound and is frequently used in traditional festivals and wedding or funeral processions.

to wave flags and shout battle cries in ancient warfare to boost morale

To speak with hesitation or difficulty; stammer

sonar; a device or technique that uses underwater sound waves to detect the location, size, or shape of submerged objects

(variant form) to be slow and hesitant in speech

a Chinese shawm or trumpet-like wind instrument