The Collaborative International Dictionary of English v.0.48:

Fleet \Fleet\, v. t.
   1. To pass over rapidly; to skin the surface of; as, a ship
      that fleets the gulf. --Spenser.
      [1913 Webster]

   2. To hasten over; to cause to pass away lighty, or in mirth
      and joy.
      [1913 Webster]

            Many young gentlemen flock to him, and fleet the
            time carelessly.                      --Shak.
      [1913 Webster]

   3. (Naut.)
      (a) To draw apart the blocks of; -- said of a tackle.
          --Totten.
      (b) To cause to slip down the barrel of a capstan or
          windlass, as a rope or chain.
          [1913 Webster]

   4. (Naut.) To move or change in position; used only in
      special phrases; as, of fleet aft the crew.

            We got the long "stick" . . . down and "fleeted"
            aft, where it was secured.            --F. T.
                                                  Bullen.
      [Webster 1913 Suppl.]

The Collaborative International Dictionary of English v.0.48:

fleet \fleet\ (fl[=e]t), v. i. [imp. & p. p. fleeted; p. pr. &
   vb. n. fleeting.] [OE. fleten, fleoten, to swim, AS.
   fle['o]tan to swim, float; akin to D. vlieten to flow, OS.
   fliotan, OHG. fliozzan, G. fliessen, Icel. flj[=o]ta to
   float, flow, Sw. flyta, D. flyde, L. pluere to rain, Gr.
   plei^n to sail, swim, float, Skr. plu to swim, sail.
   [root]84. Cf. Fleet, n. & a., Float, Pluvial, Flow.]
   1. To sail; to float. [Obs.]
      [1913 Webster]

            And in frail wood on Adrian Gulf doth fleet.
                                                  --Spenser.
      [1913 Webster]

   2. To fly swiftly; to pass over quickly; to hasten; to flit
      as a light substance.
      [1913 Webster]

            All the unaccomplished works of Nature's hand, . . .
            Dissolved on earth, fleet hither.     --Milton.
      [1913 Webster]

   3. (Naut.) To slip on the whelps or the barrel of a capstan
      or windlass; -- said of a cable or hawser.
      [1913 Webster]

   4. (Naut.) To move or change in position; -- said of persons;
      as, the crew fleeted aft.
      [Webster 1913 Suppl.]

The Collaborative International Dictionary of English v.0.48:

Fleet \Fleet\, a. [Compar. Fleeter; superl. Fleetest.] [Cf.
   Icel. flj[=o]tr quick. See Fleet, v. i.]
   1. Swift in motion; moving with velocity; light and quick in
      going from place to place; nimble.
      [1913 Webster]

            In mail their horses clad, yet fleet and strong.
                                                  --Milton.
      [1913 Webster]

   2. Light; superficially thin; not penetrating deep, as soil.
      [Prov. Eng.] --Mortimer.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Fleet \Fleet\, v. t. [AS. fl[=e]t cream, fr. fle['o]tan to
   float. See Fleet, v. i.]
   To take the cream from; to skim. [Prov. Eng.] --Johnson.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Fleet \Fleet\, n. [OE. flete, fleote, AS. fle['o]t ship, fr.
   fle['o]tan to float, swim. See Fleet, v. i. and cf.
   Float.]
   A number of vessels in company, especially war vessels; also,
   the collective naval force of a country, etc.
   [1913 Webster]

   Fleet captain, the senior aid of the admiral of a fleet,
      when a captain. --Ham. Nav. Encyc.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Fleet \Fleet\, n. [AS. fle['o]t a place where vessels float,
   bay, river; akin to D. vliet rill, brook, G. fliess. See
   Fleet, v. i.]
   1. A flood; a creek or inlet; a bay or estuary; a river; --
      obsolete, except as a place name, -- as Fleet Street in
      London.
      [1913 Webster]

            Together wove we nets to entrap the fish
            In floods and sedgy fleets.           --Matthewes.
      [1913 Webster]

   2. A former prison in London, which originally stood near a
      stream, the Fleet (now filled up).
      [1913 Webster]

   Fleet parson, a clergyman of low character, in, or in the
      vicinity of, the Fleet prison, who was ready to unite
      persons in marriage (called Fleet marriage) at any hour,
      without public notice, witnesses, or consent of parents.
      [1913 Webster]

WordNet (r) 3.0 (2006):

fleet
    adj 1: moving very fast; "fleet of foot"; "the fleet scurrying
           of squirrels"; "a swift current"; "swift flight of an
           arrow"; "a swift runner" [syn: fleet, swift]
    n 1: group of aircraft operating together under the same
         ownership
    2: group of motor vehicles operating together under the same
       ownership
    3: a group of steamships operating together under the same
       ownership
    4: a group of warships organized as a tactical unit
    v 1: move along rapidly and lightly; skim or dart; "The
         hummingbird flitted among the branches" [syn: flit,
         flutter, fleet, dart]
    2: disappear gradually; "The pain eventually passed off" [syn:
       evanesce, fade, blow over, pass off, fleet, pass]

Moby Thesaurus II by Grady Ward, 1.0:

192 Moby Thesaurus words for "fleet":
   Naval Construction Battalion, RN, Royal Navy, Seabees, USN,
   United States Navy, age group, agile, alert, animated, argosy,
   armada, ball the jack, band, barrel, battalion, beguile, bevy,
   body, boom, bottoms, bowl along, breakneck, breeze, breeze along,
   brief, brigade, brisk, brush, bunch, cabal, cast, clip, clique,
   coast guard, cohort, cometary, company, complement, contingent,
   convoy, corps, coterie, covey, crew, crowd, cut along, dally,
   dashing, detachment, detail, disappear, division, double-quick,
   eagle-winged, escadrille, evanesce, evaporate, expeditious,
   express, faction, fade, fast, featly, flashing, flickering, flit,
   flotilla, fly, fly low, flying, foot, fritter, galloping, gang,
   go fast, graceful, group, grouping, groupment, hair-trigger, hasty,
   headlong, highball, hustling, idle, in-group, junta, light,
   light of heel, light-footed, line, lively, make good, make knots,
   marine, melt, melt like snow, merchant fleet, merchant marine,
   merchant navy, mercurial, meteoric, mob, mosquito fleet, movement,
   naval forces, naval militia, naval reserve, navy, neat-fingered,
   neat-handed, nimble, nimble-footed, nip, nit, out-group, outfit,
   outstrip the wind, pack, party, pass, pass away, peart, peer group,
   phalanx, platoon, posse, potter, pour it on, precipitate, prompt,
   quick, quick as lightning, quick as thought, rapid, reckless,
   regiment, rip, running, sail, salon, scorch, set, shipping, ships,
   short, short and sweet, short-term, short-termed, sink, sizzle,
   skim, snappy, spanking, speed, speedy, spirited, sprightly, spry,
   squad, squadron, squander, stable, storm along, string,
   sure-footed, sweep, swift, task force, task group, tatter, team,
   tear, tear along, thunder along, tonnage, tribe, troop, troupe,
   vanish, vivacious, waste, whaling fleet, whisk, whiz, wile, wing,
   winged, zing, zip, zoom



Bouvier's Law Dictionary, Revised 6th Ed (1856):

FLEET, punishment, Eng. law, Saxon fleot. A place of running water, where
the tide or float comes up. A prison in London, so called from a river or
ditch which was formerly there, on the side of which it stood.