1. a connected series of railway cars pulled by a locomotive
2. a series of connected things or events
3. the long back part of a formal dress that trails on the ground

1. to teach skills or knowledge through practice and instruction
2. to prepare for a sport or activity through exercise and practice
3. to cause a plant to grow in a particular direction

Examples

• The train arrived at the station on time.
• She wore a wedding dress with a long train.
• A train of events led to his resignation.
• The coach will train the team for the championship.
• He trains every morning for the marathon.
• They trained the vines to grow up the trellis.
• The express train travels between major cities.
• She is training to become a nurse.