(flēt) v.i.
1. To move swiftly.
2. Naut. To change place; shift.
3. Archaic To fade.
4. Obs. To float.
—v.t.
5. Rare To cause to pass quickly; while away.
6. Naut. To change the position of, as a cable.
—adjective
1. Moving, or capable of moving, swiftly; rapid; swift; nimble.
2. Passing; evanescent.
3. Brit. Dial. Thin; shallow. [OE flēotan float]
—fleet′ly adverb
—fleet′ness noun

(flēt) noun
1. A number of vessels in company or under one command; especially ships of war.
2. The entire number of vessels belonging to one government; a navy.
3. The number of vessels in one command: the Pacific fleet.
4. A number of vessels, aircraft, or vehicles, collectively, engaged in the same activity, or operated as a unit: a fishing fleet, a fleet of trucks. [OE flēot ship]

(flēt) noun Dial.
An inlet, creek, or sewer: now chiefly an element in place names: Fleet Street. [OE flēot estuary]