1. large triangular sails used on sailing boats when running before the wind
Usage: nautical; plural of spinnaker

Examples

• The racing yachts deployed their colorful spinnakers as they sailed downwind.
• Spinnakers billowed out like giant balloons in the steady breeze.
• The crew struggled to control the spinnakers in the gusty conditions.
• Bright red and blue spinnakers filled the harbor during the regatta.
• The sailors quickly lowered their spinnakers as the wind shifted direction.
• Professional racing boats often carry multiple spinnakers for different wind conditions.