Promptorium Parvulorum and Corrections - Volume 25. page 8 note 4 This word is still of local use to denote the commotion caused in some tidal rivers, at the flow of the tide. In the Ouse, near Downham bridge, above Lynn, the name is eager, as also in the Nene, between Wisbeach and Peterborough, and the Ouse near York, and other rivers.
