dubicle
n.— «The £1m Priory has opened in the centre of St Neots and comes complete with Cambridgeshire’s first ever “twobicle.” The “twobicle or “dubicle” is a cubicle designed for two women “so that they can continue their conversations while answering the call of nature.”» —“Wizard unveils £1m pub (complete with twobicle)” The Publican (London, England) Mar., 2003. (source: Double-Tongued Dictionary)