a tool with a rough blade, used for shaping wood or metal

a rough unpleasant noise, like metal being rubbed against metal

There was the rasp of a bolt and the door suddenly opened. 门闩发出一声刺耳的声音，门突然开了。

to make a rough unpleasant sound, especially while breathing or speaking

I heard his breath rasping in his chest. 我听到他呼吸时胸腔里发出刺耳的声音。

The gunman rasped (out) an urgent order (= gave it in an unpleasant-sounding voice) to the other members of the gang. 那个持枪歹徒厉声喝令其同伙赶快照他的话做。

to rub something roughly

The horse rasped my hand with his tongue as I fed him the apple. 我拿苹果喂马时，它用粗糙的舌头舔我的手。