1. people who design, build, or operate rockets
Usage: informal
2. people who move or travel very quickly
Usage: informal

Examples

• The rocketers at NASA worked tirelessly on the new spacecraft design.
• Young rocketers built model rockets for the science fair.
• The team of rocketers successfully launched the satellite into orbit.
• Amateur rocketers gathered at the field to test their homemade rockets.
• Those rocketers on the highway were driving way too fast.
• The rocketers sprinted past us on their morning run.