As applied to the post-office, this term means the carriage of letters, whether applled to the hag lnto whlch they are put, the coach or vehicle by means of which they are transported, or any other means em-ployed for their carriage and delivery by publlc authority, wynen v. Schappert, 6 Daly (N. Y.) 560. It may also denote the letters or other matter so carried
Source: Black’s Law Dictionary 2nd Ed (1910)
