What is to utter loudly or repeatedly; to shout. Clamored their piteous prayer incessantly. Longfellow. To clamor bells, to repeat the strokes quickly so as to produce a loud clang. Bp. Warbur called?

clamor — To utter loudly or repeatedly; to shout. Clamored their piteous prayer incessantly. Longfellow. To clamor bells, to repeat the strokes quickly so as to produce a loud clang. Bp. Warbur. (Webster's 1913.)

Sources