An air pump is a device used to pump air into a container or object. It is often used for inflating tires, inflatable toys or other objects that require air pressure. Some synonyms for air pump include; compressor, inflator, tire pump, bicycle pump, foot pump, manual pump, and air compressor. Each of these synonyms may refer to different types of air pumps with different features and mechanisms. While air pumps are commonly known for inflating tires, they can also be used for tasks such as powering air tools, or even oxygenating a fish tank. Regardless of the intended use, an air pump is a useful tool to have around the house or workshop.