A rhyne (Somerset), rhine/rhyne (Gloucestershire), or reen (South Wales) (all pronounced /ˈriːn/ "reen"; from Old English ryne or Welsh rhewyn or rhewin "ditch") is a term used in parts of England and Wales for a drainage ditch, or canal, used to turn areas of wetland close to sea level into useful pasture. Many rhynes in England and Wales are maintained as part of the water resource management operations of internal drainage boards. The rhynes near Wembdon village have some early references, including Fichet's rhyne in 1579 and the Great or Wildmarsh rhyne in 1705.