#barge__flatboat__hoy__lighter  a boat with a flat bottom for carrying heavy loads (especially on canals)
  supertype:  boat  a small vessel for travel on water
  subtype:  dredger  a barge or barge-like vessel used for dredging
  subtype:  houseboat  a barge that is designed and equipped for use as a dwelling
  subtype:  pontoon.barge  a floating structure (as a flat-bottomed boat) that serves as a dock or to support a bridge
  subtype:  scow  a barge carrying bulk materials in an open hold
  subtype:  Norfolk_wherry__wherry  (British) sailing barge used especially in East Anglia

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