1. plural of classer; people or machines that sort or arrange things into classes or categories
Usage: commonly used in agricultural, industrial, and commercial contexts
2. in schools, students who are in the same class or grade level
Usage: chiefly British informal

Examples

• The grain classers separated the wheat by size and quality.
• Automatic classers in the factory help organize products for shipping.
• She made friends with her classers during the first week of school.
• The egg classers at the farm sort eggs by weight and grade.
• Modern classers use advanced technology to categorize items quickly.