1. Plural of hopper; containers or devices that hold and dispense material (such as grain, coal, or seeds) by gravity.
Usage: Common in agricultural and industrial contexts
2. Plural of hopper; insects (such as grasshoppers or leafhoppers) that move by jumping.
Usage: Informal or colloquial usage
3. Plural of hopper; vehicles or railroad cars designed to carry and discharge bulk materials.
Usage: Transportation and logistics context

Examples

• The grain hoppers at the mill were filled with wheat.
• Grasshoppers and other hoppers are common in summer gardens.
• The train's hoppers discharged coal at the power plant.
• We installed new hoppers in the feed system to improve efficiency.
• Leafhoppers are small hoppers that damage crops.
• The hoppers on the combine harvester need cleaning after each use.