PASSENGER
Pas"sen*ger, n. Etym: [OE. & F. passager. See Passage, and cf.
Messenger.]

1. A passer or passer-by; a wayfarer. Shak.

2. A traveler by some established conveyance, as a coach, steamboat, railroad train, etc. Passenger falcon (Zoöl.), a migratory hawk. Ainsworth. — Passenger pigeon (Zoöl.), the common wild pigeon of North America (Ectopistes migratorius), so called on account of its extensive migrations.

PASSENGER MILE
Pas"sen*ger mile. (Railroads)

Defn: A unit of measurement of the passenger transportation performed by a railroad during a given period, usually a year, the total of which consists of the sum of the miles traversed by all the passengers on the road in the period in question.

PASSENGER MILEAGE
Passenger mileage. (Railroads)

Defn: Passenger miles collectively; the total number of miles traveled by passengers on a railroad during a given period.

PASSE PARTOUT Passe" par`tout", n. Etym: [F., from passer to pass + partout everywhere.]

1. That by which one can pass anywhere; a safe-conduct. [Obs.] Dryden.

2. A master key; a latchkey.