pilentum

from The Century Dictionary.

• noun A closed carriage with two or four wheels, used by Roman women. Like similar medieval wagons it was arranged with entrance doors in the middle on both sides. Two or three pilenta are represented on the column of Theodosius at Constantinople.

from the GNU version of the Collaborative International Dictionary of English.

• noun (Rom. Antiq.) An easy chariot or carriage, used by Roman ladies, and in which the vessels, etc., for sacred rites were carried.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun historical An easy chariot or carriage, used by Roman ladies, and in which the vessels etc. for sacred rites were carried.