The Collaborative International Dictionary of English v.0.48:

Carromata \Car`ro*ma"ta\, n. [Sp. in Phil. I.]
   In the Philippines, a light, two-wheeled, boxlike vehicle
   usually drawn by a single native pony and used to convey
   passengers within city limits or for traveling. It is the
   common public carriage.
   [Webster 1913 Suppl.]