noun - a slow-growing organism that arises from a symbiotic relationship between a fungus and an alga or cyanobacterium, often found on rocks, trees, or soil

noun - a baby that develops from an egg that is fertilized outside of a mother's body and then put back in her womb to finish developing

noun - a person, usually a woman, from a foreign country who lives with a family and takes care of the children and receives a small wage

noun - a variety of a language used by a particular group of people, the variety may differ from the main language in grammar, vocabulary and pronunciation

verb - to hold someone back, to prevent somebody from doing something or going somewhere, to make it difficult for someone to do something or go somewhere

verb, formal - to hold someone back, to prevent somebody from doing something or going somewhere, to make it difficult for someone to do something or go somewhere

noun - a large animal from Africa or Asia, it looks like a big cat and eats other animals, people say it is the King of animals

noun - a group of people (chosen from the public) in a court who help to decide whether a person is guilty of a crime or not

noun - a piece of metal that you can slide on the inside of your door in order to fasten it and protect it from being opened

noun - a document that states how much you have paid or how much you have to pay (e.g. in a restaurant, or from a telephone company)