Some other very common English-language examples include hiccup, zoom, bang, beep, and splash. Machines and their sounds are also often described with onomatopoeia, as in honk or beep-beep for the horn of an automobile, and vroom or brum for the engine. In science fiction the sounds made by laser weapons are often described as "zaps". For animal sounds, words like quack (duck), bark (dog), roar (lion) and meow (cat) are typically used in English. Some of these words are used both as nouns and as verbs.