fleet1
  
  n.
  - a group of ships sailing together or under the same ownership. 
▸
(
the fleet)
 a country's navy:
 the US fleet.
 - a number of vehicles or aircraft operating together.
 
 
  Etymology
  OE flēot ‘ship, shipping’, from flēotan (see fleet5).
 
  
    
fleet2
  
  adj.
 fast and nimble:
 fleet of foot.
 
  Derivative
  
    - fleetly adv.
  - fleetness n.
 
   
  Etymology
  C16: prob. from ON fljótr, of Gmc origin and rel. to fleet5.
 
  
    
fleet3
  
  n.
 dialect a marshland creek, channel, or ditch.
 
  Etymology
  OE flēot, of Gmc origin; rel. to fleet5.
 
  
    
fleet4
  
  adj.
 (of water) shallow.
adv.
 at or to a small depth.
 
  Etymology
  C17: perh. based on an OE cognate of Du. vloot ‘shallow’ and rel. to fleet5.
 
  
    
fleet5
  
  v.
 literary move or pass quickly.
 
  Etymology
  OE flēotan ‘float, swim’, of Gmc origin; rel. to flit and float.