1) Cab 1) Tail-entry carriage 
A herdic is a type of horse-drawn carriage, used as an omnibus, invented by Peter Herdic of Williamsport, Lycoming County, Pennsylvania in 1881. A predecessor of the taxicab, the herdic was a small two-wheeled carriage that had side seats and an entrance at the back. The major improvements over previous types of carriage were in the springs, the w...
low-hung carriage with back entrance
• (n.) A kind of low-hung cab.
Her'dic noun [ Named from Peter Herdic , the inventor.] A kind of low-hung cab.