Definitions
1.nounA group of vessels or vehicles.
2.nounAny group of associated items.
3.nounA large, coordinated group of people.
4.nounA number of vessels in company, especially war vessels; also, the collective naval force of a country, etc.
5.noun(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.