n. A low horse-drawn carriage without springs used in Russia, capable of having its wheels replaced with runners during the winter.
the GNU version of the Collaborative International Dictionary of English
n. A low four-wheeled carriage used in Russia. The carriage box rests on two long, springy poles which run from the fore to the hind axletree. When snow falls, the wheels are taken off, and the body is mounted on a sledge.
The Century Dictionary and Cyclopedia
n. A large four-wheeled Russian vehicle, with a boat-shaped body fixed to two parallel longitudinal wooden bars, in place of springs, and a leather top or hood. It is commonly without seats, and is drawn by three horses.
Word Usage
"The vehicle is a kind of tarantass, but not such as I have just described."