talking dictionary
n.β Β«A few British bachelors developed liaisons with local lasses, usually tea-pickers. Such women were euphemisticallyβand imaginativelyβcalled “talking dictionaries.” For she also helped to brush up the manβs knowledge of Tamilβa prerequisite then, as now, for advancement in a planterβs career.Β» ββTea-time tricks” by George N. Netto Indian Express (Mumbai) June 14, 2005. (source: Double-Tongued Dictionary)