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1. A small horse-drawn cab with two wheels, side seats, and an entrance at the back, used in the late 1800s.
2. A four-wheeled carriage of similar construction, used as a public conveyance in the late 1800s.
[After Peter Herdic (1824-1888), American inventor.]
(Automotive Engineering) US a small horse-drawn carriage with a rear entrance and side seats
[C19: named after P. Herdic, 19th-century American inventor]