A Fleet

1. A group of vessels or vehicles.
2. Any group of associated items.
3. A large, coordinated group of people.
4. (nautical) A number of vessels in company, especially war vessels; also, the collective naval force of a country, etc.
5. (nautical, British Royal Navy) Any command of vessels exceeding a squadron in size, or a rear admiral's command, composed of five sail-of-the-line, with any number of smaller vessels.
6. (obsolete, dialectal) An arm of the sea; a run of water, such as an inlet or a creek.
7. (nautical) A location, as on a navigable river, where barges are secured.