The Collaborative International Dictionary of English v.0.48:
Berlin \Ber"lin\, n. [The capital of Germany]
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 kinds of ironware.
Berlin blue, Prussian blue. --Ure.
Berlin green, a complex cyanide of iron, used as a green
dye, and similar to Prussian blue.
Berlin iron, a very fusible variety of cast iron, from
which figures and other delicate articles are
manufactured. These are often stained or lacquered in
imitation of bronze.
Berlin shop, a shop for the sale of worsted embroidery and
the materials for such work.
Berlin work, worsted embroidery.
[1913 Webster] Berm