1. a person or thing that recognizes or identifies something
2. a computer program or system that identifies patterns, speech, or images
Usage: computing; technology

Examples

• The facial recognizer at the airport quickly identified passengers.
• She worked as a voice recognizer for the security company.
• The speech recognizer converted his words into text.
• The pattern recognizer detected anomalies in the data.
• The optical character recognizer scanned the handwritten document.
• The gesture recognizer responded to hand movements on the screen.