1. a person employed to carry luggage and other loads, especially at a railroad station or hotel
2. a person employed to guard an entrance of a large building
3. a railroad employee who assists passengers, especially in a sleeping car

Examples

• The porter helped us carry our heavy suitcases to the train.
• A porter greeted visitors at the hotel entrance.
• The sleeping car porter made up our beds for the night.
• He ordered a pint of porter at the pub.
• The hospital porter wheeled patients to their rooms.
• She tipped the porter who carried her bags upstairs.