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

verb, formal - to form an opinion or reach a conclusion based on incomplete or limited information; to make an educated guess or assumption without having full evidence

noun - a substance that you can put on meat to make it softer ; a special tool that you can treat meat with to make it softer

noun - a particular area of work or study that you know a lot about and spend a great deal of your time and energy on it

noun - a poor person, usually one that has a very low social status, who works on a small piece of land (grows crops or keeps animals)

noun - a mixture of food, such as bread, onion and herbs, that you put inside a chicken, turkey or pepper and cook it, it can also be cooked separately

noun, British English - a piece of paper that is usually given to someone as a present and that can be exchanged for a service or for some goods in a shop

noun, American English - a piece of paper that is usually given to someone as a present and that can be exchanged for a service or for some goods in a shop