noun, informal - somebody who you study with

noun - a disc-like structure (in a playground, in a park etc.) that kids can sit on, which goes around when someone pushes it

noun - a stick that is used to hit a drum

noun, formal - tins, sheets and other containers used for baking

noun, formal - pots and pans and other containers used for cooking

noun - the activity of riding on a skateboard

noun, American English - one of the round parts of a cooker that you cook on

noun, British English - a metal device that is fixed to the wheel of a car that has been parked illegally

verb - to say that it is important that somebody should do something or that something should be done

noun, technical - an abnormal sound in the chest, often a sign of disease in the heart

noun - an attempt of somebody to become popular, important, or powerful again

noun - a tool (usually made of plastic, metal or wood) that you use to make putting on shoes easier

noun - a traffic light that means STOP

verb, formal - to show that you have noticed someone or something

verb - to put or arrange something onto shelves