verb - to obey an order, to keep the rules etc.

noun - a measuring instrument used to measure the distance between two opposite sides of an object

noun - a liquid substance used in the cooling system of an engine to regulate its temperature

verb - (of a person) to fall to the ground suddenly and usually in an uncontrolled way

verb - to make an observation by asking a lot of people the same question or questions

noun - sexual relations between an adult and a person who is under the age of consent

noun - an argument that is used to protect the accused person in a court of law

noun, informal - an electronic instrument used to increase the sound in a radio, hi-fi, TV etc

noun - a part of the mouth of an insect that is sometimes used to crush food

noun - an electronic instrument used to increase the sound in a radio, hi-fi, TV etc.

verb - to jump out of an aircraft using a parachute, usually in an emergency

noun - a piece of music played as an introduction to an opera, musical, etc.