1. a person or device that sorts, arranges, or assigns things into classes or categories
Usage: often used in technical or industrial contexts
2. a machine or system that separates materials by size, quality, or type
Usage: technical term used in manufacturing and agriculture

Examples

• The grain classer inspected each batch for quality and consistency.
• A mechanical classer separated the ore into different grades.
• The image classer automatically organized photos by content.
• The factory installed a new classer to improve production efficiency.
• The data classer assigned records to appropriate categories based on predefined rules.