FLANCH • DICCIONARIO INGLES.COM • Definition of Flanch

... constructed a railway at Loughborough, in Leicestershire, and there introduced the cast-iron edge-rail, with flanches cast upon the tire of the waggon-wheels to keep them on the track, instead of having the margin or flanch cast upon the rail itself; and this plan was shortly after adopted in other places. In 1800, Mr. Benjamin Outram, of Little Eaton, in Derbyshire (father of the distinguished General Outram), used stone props instead ...

— Lives of the Engineers - The Locomotive. George and Robert Stephenson • Samuel Smiles