1. algorithms or systems that categorize data into different classes or groups
Usage: machine learning; computer science
2. words or morphemes that categorize nouns based on their properties
Usage: linguistics
3. people who organize items into categories or classes

Examples

• The machine learning classifiers accurately identified spam emails.
• Support vector machines are popular classifiers in data science.
• Chinese uses classifiers when counting objects, like ‘three books’ requires a specific classifier.
• The linguist studied how classifiers work in different languages.
• Library classifiers organize books according to subject matter.
• Document classifiers help sort legal papers automatically.
• The researchers trained multiple classifiers on the dataset.