a driver of a taxicab or horse-drawn carriage.

Is taxi cab one or two words?

When you need (or needed) a ride, you could hail a taxi, or you could hail a cab. The two words, in this context, mean the same thing. But cab is not short for taxicab; rather, it comes from cabriolet, which in its original use referred to a two-wheeled, one-horse carriage with a leather hood that folded down.

What does cab driver mean?

: a person who drives a taxi.