Noun

1. A bog or marsh; marshy ground, swampland.
   • 2007, Kevin Leahy, The Anglo-Saxon Kingdom of Lindsey, Tempus 2008, p. 16:

     The marsh lands or ‘carrs’ that covered the low-lying floor of the vale could not be cultivated and the poorly drained flanks of the vale would be best used as pasture.

2. A marsh or fen on which low trees or bushes grow; a marshy woodland.