"铡" is a Chinese character, which contains different pronunciations and meanings.

zhá (zhá): Use a knife or sword to cut off something. For example, "guillotine", "guillotine maker".

zhá (zhá): refers to short and hard wheat straw. For example, "guillotine machine", "guillotine field".

zhà (zhà): refers to a kind of screen, made of bamboo, wooden strips, etc. For example, "guillotine screen".

zhá (zhǎ): one of the ancient musical instruments, similar to the flute. For example, "guillotine".

zhá (zhá): refers to something to cover, generally refers to covering the pit with branches, etc. For example, "Guillot".

zhá (zhá): Refers to shooting stone bullets with a slingshot, and the stone bullets are called "guillotines". For example, "Guillotine".

In addition to the above pronunciations and meanings, there may be other pronunciations and meanings depending on different dialects and contexts. It is important to note that the pronunciation and meaning may differ when the same Chinese character is used in different contexts.