noun - a cell in the nervous system that sends and receives electrical signals
noun, formal - the process of chewing food
verb, formal - to chew food
adjective - done or experienced without wanting or choosing it
adjective - happening without you deciding to do it
noun, American English, informal - a person who works at a travelling funfair or carnival, especially operating rides, games, or attractions
noun, British English, informal - money that the government gives to people who are unemployed
adjective - unable to do something because you are very busy or because you are dealing with another task or situation