1. a person who operates equipment or machinery
2. a person who works at a telephone switchboard connecting calls
3. a mathematical symbol that indicates an operation to be performed
Usage: mathematics

Examples

• The crane operator carefully lifted the heavy beam.
• Please hold while I connect you to an operator.
• In the equation 2 + 3 = 5, the plus sign is an operator.
• The tour operator arranged all our travel plans.
• He’s a smooth operator who always gets his way.
• The machine operator must wear safety goggles.
• Call the operator if you need directory assistance.