bombard
n. countablen. a sudden, very loud sound that is like a deep drumbeat. It is often used to describe the sound of a large engine or a heavy machine.
n. a deep, resonant, rhythmic sound, typically associated with the operation of heavy machinery or the movement of large vehicles. Often used in literary or descriptive contexts to evoke a sense of mechanical power or industrial scale.
The deep bombard of the train echoed through the valley.
The rhythmic bombard of the factory machinery created a constant, low-frequency hum that was felt as much as it was heard.
The poet uses the metaphor of a distant bombard to describe the steady, unrelenting pulse of the city's heartbeat, blending the mechanical with the organic.
From Middle English bombard, from Middle French bombarde (“a bombard, mortar, catapult"; also "a bassoon-like musical instrument”), from Latin bombus (“buzzing; booming”). The modern pronunciation is from modern French bombarde.
From French bombarder, from Middle French bombarde (“a bombard”).