Tchure is an Oxfordshire word for alley, there are a number of Tchures in Oxon. Steeple Aston, Deddington, Charlton on Otmoor Souldern. Its sometimes spelt Tewer or Chewer.
une voiture, pronounced 'Oon Vwa-tchure' is you say it slow, but if you say it fast it's 'oon vwature'.