One or more rooms, often attached to a stake house, equipped for genealogical research. These libraries have extensive microfilm and computer resources. Non-Mormons can, and many do, make use of these facilities.
Dictionary of Mormonese
Family History Center
Dictionary of "Mormonese"
Stop talking past each other. Gain a better understanding of the words that are unique to Mormonism and the differences of shared terms between Mormonism and Christianity.