A white, crystalline, nitrogenous substance, obtained
by the reduction of allantoin.
1. A four-wheeled carriage, having a sheltered seat behind the body and separate from it, invented in the 17th century, at Berlin. 2. Fine worsted for fancy-work; zephyr worsted; -- called also Berlin wool. Berlin black, a black varnish, drying with almost a dead surface; -- used for coating the better ki...