Train

n.
  1. That which draws along; especially, persuasion, artifice, or enticement; allurement.
  2. Hence, something tied to a lure to entice a hawk; also, a trap for an animal; a snare.
  3. That which is drawn along in the rear of, or after, something; that which is in the hinder part or rear.
  4. A number of followers; a body of attendants; a retinue; a suite.
  5. A consecution or succession of connected things; a series.
  6. Regular method; process; course; order; as, things now in a train for settlement.
  7. The number of beats of a watch in any certain time.
  8. A line of gunpowder laid to lead fire to a charge, mine, or the like.
  9. A connected line of cars or carriages on a railroad; -- called also railroad train.
  10. A heavy, long sleigh used in Canada for the transportation of merchandise, wood, and the like.
  11. (Rolling Mill) A roll train; as, a 12-inch train.
  12. (Mil.) The aggregation of men, animals, and vehicles which accompany an army or one of its subdivisions, and transport its baggage, ammunition, supplies, and reserve materials of all kinds.
    1. That part of a gown which trails behind the wearer.
    2. The tail of a bird.
    Roll train, or Train of rolls (Rolling Mill),
    a set of plain or grooved rolls for rolling metal into various forms by a series of consecutive operations.
    Train mile (Railroads),
    a unit employed in estimating running expenses, etc., being one of the total number of miles run by all the trains of a road, or system of roads, as within a given time, or for a given expenditure; -- called also mile run.
    Train of artillery ,
    any number of cannon, mortars, etc., with the attendants and carriages which follow them into the field.
    Train of mechanism ,
    a series of moving pieces, as wheels and pinions, each of which is follower to that which drives it, and driver to that which follows it.
    Train road ,
    a slight railway for small cars, -- used for construction, or in mining.
    Train tackle (Naut.),
    a tackle for running guns in and out.