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train (EN)
noun, verb

noun “train”

singular train, plural trains or uncountable
  1. a series of connected vehicles for transport
    The train to Paris departs from platform 9 at 5 PM.
  2. a line of animals or people moving in order
    The ducklings followed their mother in a neat train across the park.
  3. a group following a noble person
    The queen entered the hall, her train of loyal knights and ladies following closely behind.
  4. a connected series of events or ideas
    The train of thought in her essay was clear and logical, making it easy to follow her argument.
  5. the long back part of a dress or skirt that touches the ground
    At the gala, her elegant gown featured a long train that gracefully trailed behind her as she moved through the room.
  6. a bird's tail
    The peacock spread its colorful train, dazzling the onlookers with its beauty.
  7. (poetic) the long, winding shape of something
    The train of the river snaked through the valley, a silver ribbon against the green.

verb “train”

infinitive train; he trains; past tense trained; past part. trained; ger. training
  1. to practice a skill
    He trains his voice daily to become a better singer.
  2. to teach someone through practice
    We trained our dog to fetch the newspaper every morning.
  3. to work on improving physical fitness
    She trains every morning to stay in shape.
  4. to input data into a machine learning algorithm
    To improve its accuracy, the team trained the algorithm with thousands of images of street signs from around the world.
  5. to guide the growth of a plant in a specific direction
    She trained the young apple tree to grow horizontally by tying its branches to the fence.
  6. to aim a weapon
    The soldier trained his rifle on the target before firing.