1. plural of trainful; the amounts that fill trains or multiple train loads
Usage: informal

Examples

• Trainfuls of grain were shipped from the Midwest to the ports.
• The factory sent trainfuls of manufactured goods across the country.
• During the harvest season, trainfuls of wheat moved through the rail yards daily.
• The mining company transported trainfuls of coal to the power plants.
• Trainfuls of passengers arrived for the festival weekend.
• The relief effort required trainfuls of supplies to reach the disaster area.